15666780087

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{701}}^1\times {\mathrm{18671}}^1$

素因数の和:19404

約数の個数: 48

約数和(自身を含む): 27264107520

約数和(自身を除く): 11597327433

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 701, 1197, 2103, 4907, 6309, 13319, 14721, 18671, 39957, 44163, 56013, 93233, 119871, 130697, 168039, 279699, 354749, 392091, 839097, 1064247, 1176273, 2483243, 3192741, 7449729, 13088371, 22349187, 39265113, 91618597, 117795339, 248679049, 274855791, 746037147, 824567373, 1740753343, 2238111441, 5222260029, 15666780087]

約数ペア:

[(1, 15666780087), (3, 5222260029), (7, 2238111441), (9, 1740753343), (19, 824567373), (21, 746037147), (57, 274855791), (63, 248679049), (133, 117795339), (171, 91618597), (399, 39265113), (701, 22349187), (1197, 13088371), (2103, 7449729), (4907, 3192741), (6309, 2483243), (13319, 1176273), (14721, 1064247), (18671, 839097), (39957, 392091), (44163, 354749), (56013, 279699), (93233, 168039), (119871, 130697)]