391036359

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{2339}}^1$

素因数の和:2787

約数の個数: 32

約数和(自身を含む): 628992000

約数和(自身を除く): 237955641

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 419, 1257, 2339, 2933, 7017, 7961, 8799, 16373, 23883, 44441, 49119, 55727, 133323, 167181, 311087, 933261, 980041, 2940123, 6860287, 18620779, 20580861, 55862337, 130345453, 391036359]

約数ペア:

[(1, 391036359), (3, 130345453), (7, 55862337), (19, 20580861), (21, 18620779), (57, 6860287), (133, 2940123), (399, 980041), (419, 933261), (1257, 311087), (2339, 167181), (2933, 133323), (7017, 55727), (7961, 49119), (8799, 44441), (16373, 23883)]