2557485

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 5301504

約数和(自身を除く): 2744019

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 353, 483, 805, 1035, 1059, 1449, 1765, 2415, 2471, 3177, 5295, 7245, 7413, 8119, 12355, 15885, 22239, 24357, 37065, 40595, 56833, 73071, 111195, 121785, 170499, 284165, 365355, 511497, 852495, 2557485]

約数ペア:

[(1, 2557485), (3, 852495), (5, 511497), (7, 365355), (9, 284165), (15, 170499), (21, 121785), (23, 111195), (35, 73071), (45, 56833), (63, 40595), (69, 37065), (105, 24357), (115, 22239), (161, 15885), (207, 12355), (315, 8119), (345, 7413), (353, 7245), (483, 5295), (805, 3177), (1035, 2471), (1059, 2415), (1449, 1765)]