220161627

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{971}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 376047360

約数和(自身を除く): 155885733

約数列:

[1, 3, 7, 9, 21, 59, 61, 63, 177, 183, 413, 427, 531, 549, 971, 1239, 1281, 2913, 3599, 3717, 3843, 6797, 8739, 10797, 20391, 25193, 32391, 57289, 59231, 61173, 75579, 171867, 177693, 226737, 401023, 414617, 515601, 533079, 1203069, 1243851, 3494629, 3609207, 3731553, 10483887, 24462403, 31451661, 73387209, 220161627]

約数ペア:

[(1, 220161627), (3, 73387209), (7, 31451661), (9, 24462403), (21, 10483887), (59, 3731553), (61, 3609207), (63, 3494629), (177, 1243851), (183, 1203069), (413, 533079), (427, 515601), (531, 414617), (549, 401023), (971, 226737), (1239, 177693), (1281, 171867), (2913, 75579), (3599, 61173), (3717, 59231), (3843, 57289), (6797, 32391), (8739, 25193), (10797, 20391)]