31989165

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12619}}^1$

素因数の和:12653

約数の個数: 24

約数和(自身を含む): 55427040

約数和(自身を除く): 23437875

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 12619, 37857, 63095, 164047, 189285, 492141, 820235, 2132611, 2460705, 6397833, 10663055, 31989165]

約数ペア:

[(1, 31989165), (3, 10663055), (5, 6397833), (13, 2460705), (15, 2132611), (39, 820235), (65, 492141), (169, 189285), (195, 164047), (507, 63095), (845, 37857), (2535, 12619)]