291230315061

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1\times {\mathrm{18217}}^1$

素因数の和:18738

約数の個数: 64

約数和(自身を含む): 472910131200

約数和(自身を除く): 181679816139

約数列:

[1, 3, 7, 19, 21, 57, 103, 133, 309, 389, 399, 721, 1167, 1957, 2163, 2723, 5871, 7391, 8169, 13699, 18217, 22173, 40067, 41097, 51737, 54651, 120201, 127519, 155211, 280469, 346123, 382557, 761273, 841407, 1038369, 1876351, 2283819, 2422861, 5328911, 5629053, 7086413, 7268583, 13134457, 15986733, 21259239, 35650669, 39403371, 49604891, 106952007, 134641847, 148814673, 249554683, 403925541, 729900539, 748664049, 942492929, 2189701617, 2827478787, 5109303773, 13868110241, 15327911319, 41604330723, 97076771687, 291230315061]

約数ペア:

[(1, 291230315061), (3, 97076771687), (7, 41604330723), (19, 15327911319), (21, 13868110241), (57, 5109303773), (103, 2827478787), (133, 2189701617), (309, 942492929), (389, 748664049), (399, 729900539), (721, 403925541), (1167, 249554683), (1957, 148814673), (2163, 134641847), (2723, 106952007), (5871, 49604891), (7391, 39403371), (8169, 35650669), (13699, 21259239), (18217, 15986733), (22173, 13134457), (40067, 7268583), (41097, 7086413), (51737, 5629053), (54651, 5328911), (120201, 2422861), (127519, 2283819), (155211, 1876351), (280469, 1038369), (346123, 841407), (382557, 761273)]