31904925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 58204608

約数和(自身を除く): 26299683

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 195, 215, 325, 559, 645, 761, 975, 1075, 1677, 2283, 2795, 3225, 3805, 8385, 9893, 11415, 13975, 19025, 29679, 32723, 41925, 49465, 57075, 98169, 148395, 163615, 247325, 425399, 490845, 741975, 818075, 1276197, 2126995, 2454225, 6380985, 10634975, 31904925]

約数ペア:

[(1, 31904925), (3, 10634975), (5, 6380985), (13, 2454225), (15, 2126995), (25, 1276197), (39, 818075), (43, 741975), (65, 490845), (75, 425399), (129, 247325), (195, 163615), (215, 148395), (325, 98169), (559, 57075), (645, 49465), (761, 41925), (975, 32723), (1075, 29679), (1677, 19025), (2283, 13975), (2795, 11415), (3225, 9893), (3805, 8385)]