64319775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1609}}^1$

素因数の和:1676

約数の個数: 48

約数和(自身を含む): 117388320

約数和(自身を除く): 53068545

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 65, 75, 123, 195, 205, 325, 533, 615, 975, 1025, 1599, 1609, 2665, 3075, 4827, 7995, 8045, 13325, 20917, 24135, 39975, 40225, 62751, 65969, 104585, 120675, 197907, 313755, 329845, 522925, 857597, 989535, 1568775, 1649225, 2572791, 4287985, 4947675, 12863955, 21439925, 64319775]

約数ペア:

[(1, 64319775), (3, 21439925), (5, 12863955), (13, 4947675), (15, 4287985), (25, 2572791), (39, 1649225), (41, 1568775), (65, 989535), (75, 857597), (123, 522925), (195, 329845), (205, 313755), (325, 197907), (533, 120675), (615, 104585), (975, 65969), (1025, 62751), (1599, 40225), (1609, 39975), (2665, 24135), (3075, 20917), (4827, 13325), (7995, 8045)]