31337631

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 54476800

約数和(自身を除く): 23139169

約数列:

[1, 3, 9, 13, 19, 27, 37, 39, 57, 111, 117, 127, 171, 247, 333, 351, 381, 481, 513, 703, 741, 999, 1143, 1443, 1651, 2109, 2223, 2413, 3429, 4329, 4699, 4953, 6327, 6669, 7239, 9139, 12987, 14097, 14859, 18981, 21717, 27417, 31369, 42291, 44577, 61087, 65151, 82251, 89281, 94107, 126873, 183261, 246753, 267843, 282321, 549783, 803529, 846963, 1160653, 1649349, 2410587, 3481959, 10445877, 31337631]

約数ペア:

[(1, 31337631), (3, 10445877), (9, 3481959), (13, 2410587), (19, 1649349), (27, 1160653), (37, 846963), (39, 803529), (57, 549783), (111, 282321), (117, 267843), (127, 246753), (171, 183261), (247, 126873), (333, 94107), (351, 89281), (381, 82251), (481, 65151), (513, 61087), (703, 44577), (741, 42291), (999, 31369), (1143, 27417), (1443, 21717), (1651, 18981), (2109, 14859), (2223, 14097), (2413, 12987), (3429, 9139), (4329, 7239), (4699, 6669), (4953, 6327)]