68940225

素因数分解:

$3^2\times 5^2\times {\mathrm{347}}^1\times {\mathrm{883}}^1$

素因数の和:1246

約数の個数: 36

約数和(自身を含む): 123975696

約数和(自身を除く): 55035471

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 347, 883, 1041, 1735, 2649, 3123, 4415, 5205, 7947, 8675, 13245, 15615, 22075, 26025, 39735, 66225, 78075, 198675, 306401, 919203, 1532005, 2757609, 4596015, 7660025, 13788045, 22980075, 68940225]

約数ペア:

[(1, 68940225), (3, 22980075), (5, 13788045), (9, 7660025), (15, 4596015), (25, 2757609), (45, 1532005), (75, 919203), (225, 306401), (347, 198675), (883, 78075), (1041, 66225), (1735, 39735), (2649, 26025), (3123, 22075), (4415, 15615), (5205, 13245), (7947, 8675)]