64681965

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 116812800

約数和(自身を除く): 52130835

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 199, 233, 279, 465, 597, 699, 995, 1165, 1395, 1791, 2097, 2985, 3495, 6169, 7223, 8955, 10485, 18507, 21669, 30845, 36115, 46367, 55521, 65007, 92535, 108345, 139101, 231835, 277605, 325035, 417303, 695505, 1437377, 2086515, 4312131, 7186885, 12936393, 21560655, 64681965]

約数ペア:

[(1, 64681965), (3, 21560655), (5, 12936393), (9, 7186885), (15, 4312131), (31, 2086515), (45, 1437377), (93, 695505), (155, 417303), (199, 325035), (233, 277605), (279, 231835), (465, 139101), (597, 108345), (699, 92535), (995, 65007), (1165, 55521), (1395, 46367), (1791, 36115), (2097, 30845), (2985, 21669), (3495, 18507), (6169, 10485), (7223, 8955)]