64863015

素因数分解:

$3^1\times 5^1\times 7^4\times {\mathrm{1801}}^1$

素因数の和:1837

約数の個数: 40

約数和(自身を含む): 121137648

約数和(自身を除く): 56274633

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 1801, 2401, 5145, 5403, 7203, 9005, 12005, 12607, 27015, 36015, 37821, 63035, 88249, 189105, 264747, 441245, 617743, 1323735, 1853229, 3088715, 4324201, 9266145, 12972603, 21621005, 64863015]

約数ペア:

[(1, 64863015), (3, 21621005), (5, 12972603), (7, 9266145), (15, 4324201), (21, 3088715), (35, 1853229), (49, 1323735), (105, 617743), (147, 441245), (245, 264747), (343, 189105), (735, 88249), (1029, 63035), (1715, 37821), (1801, 36015), (2401, 27015), (5145, 12607), (5403, 12005), (7203, 9005)]