31020975

素因数分解:

$3^4\times 5^2\times {\mathrm{15319}}^1$

素因数の和:15341

約数の個数: 30

約数和(自身を含む): 57465320

約数和(自身を除く): 26444345

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 15319, 45957, 76595, 137871, 229785, 382975, 413613, 689355, 1148925, 1240839, 2068065, 3446775, 6204195, 10340325, 31020975]

約数ペア:

[(1, 31020975), (3, 10340325), (5, 6204195), (9, 3446775), (15, 2068065), (25, 1240839), (27, 1148925), (45, 689355), (75, 413613), (81, 382975), (135, 229785), (225, 137871), (405, 76595), (675, 45957), (2025, 15319)]