2017509975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29989}}^1$

素因数の和:30041

約数の個数: 72

約数和(自身を含む): 4060885920

約数和(自身を除く): 2043375945

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 39, 45, 65, 69, 75, 115, 117, 195, 207, 225, 299, 325, 345, 575, 585, 897, 975, 1035, 1495, 1725, 2691, 2925, 4485, 5175, 7475, 13455, 22425, 29989, 67275, 89967, 149945, 269901, 389857, 449835, 689747, 749725, 1169571, 1349505, 1949285, 2069241, 2249175, 3448735, 3508713, 5847855, 6207723, 6747525, 8966711, 9746425, 10346205, 17243675, 17543565, 26900133, 29239275, 31038615, 44833555, 51731025, 80700399, 87717825, 134500665, 155193075, 224167775, 403501995, 672503325, 2017509975]

約数ペア:

[(1, 2017509975), (3, 672503325), (5, 403501995), (9, 224167775), (13, 155193075), (15, 134500665), (23, 87717825), (25, 80700399), (39, 51731025), (45, 44833555), (65, 31038615), (69, 29239275), (75, 26900133), (115, 17543565), (117, 17243675), (195, 10346205), (207, 9746425), (225, 8966711), (299, 6747525), (325, 6207723), (345, 5847855), (575, 3508713), (585, 3448735), (897, 2249175), (975, 2069241), (1035, 1949285), (1495, 1349505), (1725, 1169571), (2691, 749725), (2925, 689747), (4485, 449835), (5175, 389857), (7475, 269901), (13455, 149945), (22425, 89967), (29989, 67275)]