2121015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 3729600

約数和(自身を除く): 1608585

約数列:

[1, 3, 5, 13, 15, 39, 65, 73, 149, 195, 219, 365, 447, 745, 949, 1095, 1937, 2235, 2847, 4745, 5811, 9685, 10877, 14235, 29055, 32631, 54385, 141401, 163155, 424203, 707005, 2121015]

約数ペア:

[(1, 2121015), (3, 707005), (5, 424203), (13, 163155), (15, 141401), (39, 54385), (65, 32631), (73, 29055), (149, 14235), (195, 10877), (219, 9685), (365, 5811), (447, 4745), (745, 2847), (949, 2235), (1095, 1937)]