81660258

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1777}}^1$

素因数の和:1848

約数の個数: 64

約数和(自身を含む): 194584320

約数和(自身を除く): 112924062

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 37, 46, 54, 69, 74, 111, 138, 207, 222, 333, 414, 621, 666, 851, 999, 1242, 1702, 1777, 1998, 2553, 3554, 5106, 5331, 7659, 10662, 15318, 15993, 22977, 31986, 40871, 45954, 47979, 65749, 81742, 95958, 122613, 131498, 197247, 245226, 367839, 394494, 591741, 735678, 1103517, 1183482, 1512227, 1775223, 2207034, 3024454, 3550446, 4536681, 9073362, 13610043, 27220086, 40830129, 81660258]

約数ペア:

[(1, 81660258), (2, 40830129), (3, 27220086), (6, 13610043), (9, 9073362), (18, 4536681), (23, 3550446), (27, 3024454), (37, 2207034), (46, 1775223), (54, 1512227), (69, 1183482), (74, 1103517), (111, 735678), (138, 591741), (207, 394494), (222, 367839), (333, 245226), (414, 197247), (621, 131498), (666, 122613), (851, 95958), (999, 81742), (1242, 65749), (1702, 47979), (1777, 45954), (1998, 40871), (2553, 31986), (3554, 22977), (5106, 15993), (5331, 15318), (7659, 10662)]