31505524275

素因数分解:

$3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{1297}}^1\times {\mathrm{1987}}^1$

素因数の和:3460

約数の個数: 48

約数和(自身を含む): 52475502464

約数和(自身を除く): 20969978189

約数列:

[1, 3, 5, 15, 25, 75, 163, 489, 815, 1297, 1987, 2445, 3891, 4075, 5961, 6485, 9935, 12225, 19455, 29805, 32425, 49675, 97275, 149025, 211411, 323881, 634233, 971643, 1057055, 1619405, 2577139, 3171165, 4858215, 5285275, 7731417, 8097025, 12885695, 15855825, 24291075, 38657085, 64428475, 193285425, 420073657, 1260220971, 2100368285, 6301104855, 10501841425, 31505524275]

約数ペア:

[(1, 31505524275), (3, 10501841425), (5, 6301104855), (15, 2100368285), (25, 1260220971), (75, 420073657), (163, 193285425), (489, 64428475), (815, 38657085), (1297, 24291075), (1987, 15855825), (2445, 12885695), (3891, 8097025), (4075, 7731417), (5961, 5285275), (6485, 4858215), (9935, 3171165), (12225, 2577139), (19455, 1619405), (29805, 1057055), (32425, 971643), (49675, 634233), (97275, 323881), (149025, 211411)]