897931811

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{653}}^1$

素因数の和:904

約数の個数: 32

約数和(自身を含む): 1109184000

約数和(自身を除く): 211252189

約数列:

[1, 7, 19, 49, 133, 211, 343, 653, 931, 1477, 4009, 4571, 6517, 10339, 12407, 28063, 31997, 72373, 86849, 137783, 196441, 223979, 607943, 964481, 1375087, 2617877, 4255601, 6751367, 18325139, 47259569, 128275973, 897931811]

約数ペア:

[(1, 897931811), (7, 128275973), (19, 47259569), (49, 18325139), (133, 6751367), (211, 4255601), (343, 2617877), (653, 1375087), (931, 964481), (1477, 607943), (4009, 223979), (4571, 196441), (6517, 137783), (10339, 86849), (12407, 72373), (28063, 31997)]