401025807

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{489653}}^1$

素因数の和:489679

約数の個数: 24

約数和(自身を含む): 712936224

約数和(自身を除く): 311910417

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 489653, 1468959, 3427571, 4406877, 6365489, 10282713, 19096467, 30848139, 44558423, 57289401, 133675269, 401025807]

約数ペア:

[(1, 401025807), (3, 133675269), (7, 57289401), (9, 44558423), (13, 30848139), (21, 19096467), (39, 10282713), (63, 6365489), (91, 4406877), (117, 3427571), (273, 1468959), (819, 489653)]