180306

素因数分解:

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

素因数の和:77

約数の個数: 48

約数和(自身を含む): 471744

約数和(自身を除く): 291438

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 53, 54, 63, 81, 106, 126, 159, 162, 189, 243, 318, 371, 378, 477, 486, 567, 742, 954, 1113, 1134, 1431, 1701, 2226, 2862, 3339, 3402, 4293, 6678, 8586, 10017, 12879, 20034, 25758, 30051, 60102, 90153, 180306]

約数ペア:

[(1, 180306), (2, 90153), (3, 60102), (6, 30051), (7, 25758), (9, 20034), (14, 12879), (18, 10017), (21, 8586), (27, 6678), (42, 4293), (53, 3402), (54, 3339), (63, 2862), (81, 2226), (106, 1701), (126, 1431), (159, 1134), (162, 1113), (189, 954), (243, 742), (318, 567), (371, 486), (378, 477)]