21877101

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 33926400

約数和(自身を除く): 12049299

約数列:

[1, 3, 9, 27, 37, 61, 111, 183, 333, 359, 549, 999, 1077, 1647, 2257, 3231, 6771, 9693, 13283, 20313, 21899, 39849, 60939, 65697, 119547, 197091, 358641, 591273, 810263, 2430789, 7292367, 21877101]

約数ペア:

[(1, 21877101), (3, 7292367), (9, 2430789), (27, 810263), (37, 591273), (61, 358641), (111, 197091), (183, 119547), (333, 65697), (359, 60939), (549, 39849), (999, 21899), (1077, 20313), (1647, 13283), (2257, 9693), (3231, 6771)]