25691379

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 40932864

約数和(自身を除く): 15241485

約数列:

[1, 3, 7, 21, 41, 53, 123, 159, 287, 371, 563, 861, 1113, 1689, 2173, 3941, 6519, 11823, 15211, 23083, 29839, 45633, 69249, 89517, 161581, 208873, 484743, 626619, 1223399, 3670197, 8563793, 25691379]

約数ペア:

[(1, 25691379), (3, 8563793), (7, 3670197), (21, 1223399), (41, 626619), (53, 484743), (123, 208873), (159, 161581), (287, 89517), (371, 69249), (563, 45633), (861, 29839), (1113, 23083), (1689, 15211), (2173, 11823), (3941, 6519)]