2953919997

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{4751}}^1$

素因数の和:4974

約数の個数: 48

約数和(自身を含む): 4981616640

約数和(自身を除く): 2027696643

約数列:

[1, 3, 7, 9, 21, 63, 71, 139, 213, 417, 497, 639, 973, 1251, 1491, 2919, 4473, 4751, 8757, 9869, 14253, 29607, 33257, 42759, 69083, 88821, 99771, 207249, 299313, 337321, 621747, 660389, 1011963, 1981167, 2361247, 3035889, 4622723, 5943501, 7083741, 13868169, 21251223, 41604507, 46887619, 140662857, 328213333, 421988571, 984639999, 2953919997]

約数ペア:

[(1, 2953919997), (3, 984639999), (7, 421988571), (9, 328213333), (21, 140662857), (63, 46887619), (71, 41604507), (139, 21251223), (213, 13868169), (417, 7083741), (497, 5943501), (639, 4622723), (973, 3035889), (1251, 2361247), (1491, 1981167), (2919, 1011963), (4473, 660389), (4751, 621747), (8757, 337321), (9869, 299313), (14253, 207249), (29607, 99771), (33257, 88821), (42759, 69083)]