20171322

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 47520000

約数和(自身を除く): 27348678

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 109, 138, 149, 207, 218, 298, 327, 414, 447, 621, 654, 894, 981, 1242, 1341, 1962, 2507, 2682, 2943, 3427, 4023, 5014, 5886, 6854, 7521, 8046, 10281, 15042, 16241, 20562, 22563, 30843, 32482, 45126, 48723, 61686, 67689, 92529, 97446, 135378, 146169, 185058, 292338, 373543, 438507, 747086, 877014, 1120629, 2241258, 3361887, 6723774, 10085661, 20171322]

約数ペア:

[(1, 20171322), (2, 10085661), (3, 6723774), (6, 3361887), (9, 2241258), (18, 1120629), (23, 877014), (27, 747086), (46, 438507), (54, 373543), (69, 292338), (109, 185058), (138, 146169), (149, 135378), (207, 97446), (218, 92529), (298, 67689), (327, 61686), (414, 48723), (447, 45126), (621, 32482), (654, 30843), (894, 22563), (981, 20562), (1242, 16241), (1341, 15042), (1962, 10281), (2507, 8046), (2682, 7521), (2943, 6854), (3427, 5886), (4023, 5014)]