321307128

素因数分解:

$2^3\times 3^3\times {\mathrm{409}}^1\times {\mathrm{3637}}^1$

素因数の和:4061

約数の個数: 64

約数和(自身を含む): 894948000

約数和(自身を除く): 573640872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 409, 818, 1227, 1636, 2454, 3272, 3637, 3681, 4908, 7274, 7362, 9816, 10911, 11043, 14548, 14724, 21822, 22086, 29096, 29448, 32733, 43644, 44172, 65466, 87288, 88344, 98199, 130932, 196398, 261864, 392796, 785592, 1487533, 2975066, 4462599, 5950132, 8925198, 11900264, 13387797, 17850396, 26775594, 35700792, 40163391, 53551188, 80326782, 107102376, 160653564, 321307128]

約数ペア:

[(1, 321307128), (2, 160653564), (3, 107102376), (4, 80326782), (6, 53551188), (8, 40163391), (9, 35700792), (12, 26775594), (18, 17850396), (24, 13387797), (27, 11900264), (36, 8925198), (54, 5950132), (72, 4462599), (108, 2975066), (216, 1487533), (409, 785592), (818, 392796), (1227, 261864), (1636, 196398), (2454, 130932), (3272, 98199), (3637, 88344), (3681, 87288), (4908, 65466), (7274, 44172), (7362, 43644), (9816, 32733), (10911, 29448), (11043, 29096), (14548, 22086), (14724, 21822)]