493782009

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{4073}}^1$

素因数の和:4357

約数の個数: 32

約数和(自身を含む): 788465664

約数和(自身を除く): 294683655

約数列:

[1, 3, 7, 21, 23, 69, 161, 251, 483, 753, 1757, 4073, 5271, 5773, 12219, 17319, 28511, 40411, 85533, 93679, 121233, 281037, 655753, 1022323, 1967259, 3066969, 7156261, 21468783, 23513429, 70540287, 164594003, 493782009]

約数ペア:

[(1, 493782009), (3, 164594003), (7, 70540287), (21, 23513429), (23, 21468783), (69, 7156261), (161, 3066969), (251, 1967259), (483, 1022323), (753, 655753), (1757, 281037), (4073, 121233), (5271, 93679), (5773, 85533), (12219, 40411), (17319, 28511)]