2187705

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{863}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 3794688

約数和(自身を除く): 1606983

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 863, 2535, 2589, 4315, 11219, 12945, 33657, 56095, 145847, 168285, 437541, 729235, 2187705]

約数ペア:

[(1, 2187705), (3, 729235), (5, 437541), (13, 168285), (15, 145847), (39, 56095), (65, 33657), (169, 12945), (195, 11219), (507, 4315), (845, 2589), (863, 2535)]