1640541654

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{1320887}}^1$

素因数の和:1320921

約数の個数: 32

約数和(自身を含む): 3804157440

約数和(自身を除く): 2163615786

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 1320887, 2641774, 3962661, 7925322, 11887983, 23775966, 30380401, 35663949, 60760802, 71327898, 91141203, 182282406, 273423609, 546847218, 820270827, 1640541654]

約数ペア:

[(1, 1640541654), (2, 820270827), (3, 546847218), (6, 273423609), (9, 182282406), (18, 91141203), (23, 71327898), (27, 60760802), (46, 35663949), (54, 30380401), (69, 23775966), (138, 11887983), (207, 7925322), (414, 3962661), (621, 2641774), (1242, 1320887)]