81858924

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 250967808

約数和(自身を除く): 169108884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 53, 54, 63, 81, 84, 106, 108, 126, 159, 162, 189, 212, 227, 243, 252, 318, 324, 371, 378, 454, 477, 486, 567, 636, 681, 742, 756, 908, 954, 972, 1113, 1134, 1362, 1431, 1484, 1589, 1701, 1908, 2043, 2226, 2268, 2724, 2862, 3178, 3339, 3402, 4086, 4293, 4452, 4767, 5724, 6129, 6356, 6678, 6804, 8172, 8586, 9534, 10017, 12031, 12258, 12879, 13356, 14301, 17172, 18387, 19068, 20034, 24062, 24516, 25758, 28602, 30051, 36093, 36774, 40068, 42903, 48124, 51516, 55161, 57204, 60102, 72186, 73548, 84217, 85806, 90153, 108279, 110322, 120204, 128709, 144372, 168434, 171612, 180306, 216558, 220644, 252651, 257418, 324837, 336868, 360612, 386127, 433116, 505302, 514836, 649674, 757953, 772254, 974511, 1010604, 1299348, 1515906, 1544508, 1949022, 2273859, 2923533, 3031812, 3898044, 4547718, 5847066, 6821577, 9095436, 11694132, 13643154, 20464731, 27286308, 40929462, 81858924]

約数ペア:

[(1, 81858924), (2, 40929462), (3, 27286308), (4, 20464731), (6, 13643154), (7, 11694132), (9, 9095436), (12, 6821577), (14, 5847066), (18, 4547718), (21, 3898044), (27, 3031812), (28, 2923533), (36, 2273859), (42, 1949022), (53, 1544508), (54, 1515906), (63, 1299348), (81, 1010604), (84, 974511), (106, 772254), (108, 757953), (126, 649674), (159, 514836), (162, 505302), (189, 433116), (212, 386127), (227, 360612), (243, 336868), (252, 324837), (318, 257418), (324, 252651), (371, 220644), (378, 216558), (454, 180306), (477, 171612), (486, 168434), (567, 144372), (636, 128709), (681, 120204), (742, 110322), (756, 108279), (908, 90153), (954, 85806), (972, 84217), (1113, 73548), (1134, 72186), (1362, 60102), (1431, 57204), (1484, 55161), (1589, 51516), (1701, 48124), (1908, 42903), (2043, 40068), (2226, 36774), (2268, 36093), (2724, 30051), (2862, 28602), (3178, 25758), (3339, 24516), (3402, 24062), (4086, 20034), (4293, 19068), (4452, 18387), (4767, 17172), (5724, 14301), (6129, 13356), (6356, 12879), (6678, 12258), (6804, 12031), (8172, 10017), (8586, 9534)]