128725809

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{31481}}^1$

素因数の和:31560

約数の個数: 16

約数和(自身を含む): 181336320

約数和(自身を除く): 52610511

約数列:

[1, 3, 29, 47, 87, 141, 1363, 4089, 31481, 94443, 912949, 1479607, 2738847, 4438821, 42908603, 128725809]

約数ペア:

[(1, 128725809), (3, 42908603), (29, 4438821), (47, 2738847), (87, 1479607), (141, 912949), (1363, 94443), (4089, 31481)]