221097654

素因数分解:

$2^1\times 3^3\times {\mathrm{181}}^1\times {\mathrm{22621}}^1$

素因数の和:22813

約数の個数: 32

約数和(自身を含む): 494064480

約数和(自身を除く): 272966826

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 181, 362, 543, 1086, 1629, 3258, 4887, 9774, 22621, 45242, 67863, 135726, 203589, 407178, 610767, 1221534, 4094401, 8188802, 12283203, 24566406, 36849609, 73699218, 110548827, 221097654]

約数ペア:

[(1, 221097654), (2, 110548827), (3, 73699218), (6, 36849609), (9, 24566406), (18, 12283203), (27, 8188802), (54, 4094401), (181, 1221534), (362, 610767), (543, 407178), (1086, 203589), (1629, 135726), (3258, 67863), (4887, 45242), (9774, 22621)]