23405421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 12156819

約数列:

[1, 3, 13, 23, 39, 69, 97, 269, 291, 299, 807, 897, 1261, 2231, 3497, 3783, 6187, 6693, 10491, 18561, 26093, 29003, 78279, 80431, 87009, 241293, 339209, 600139, 1017627, 1800417, 7801807, 23405421]

約数ペア:

[(1, 23405421), (3, 7801807), (13, 1800417), (23, 1017627), (39, 600139), (69, 339209), (97, 241293), (269, 87009), (291, 80431), (299, 78279), (807, 29003), (897, 26093), (1261, 18561), (2231, 10491), (3497, 6693), (3783, 6187)]