220707963

素因数分解:

$3^3\times 7^1\times {\mathrm{383}}^1\times {\mathrm{3049}}^1$

素因数の和:3448

約数の個数: 32

約数和(自身を含む): 374784000

約数和(自身を除く): 154076037

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 383, 1149, 2681, 3049, 3447, 8043, 9147, 10341, 21343, 24129, 27441, 64029, 72387, 82323, 192087, 576261, 1167767, 3503301, 8174369, 10509903, 24523107, 31529709, 73569321, 220707963]

約数ペア:

[(1, 220707963), (3, 73569321), (7, 31529709), (9, 24523107), (21, 10509903), (27, 8174369), (63, 3503301), (189, 1167767), (383, 576261), (1149, 192087), (2681, 82323), (3049, 72387), (3447, 64029), (8043, 27441), (9147, 24129), (10341, 21343)]