390961005

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{2633}}^1$

素因数の和:3181

約数の個数: 32

約数和(自身を含む): 659975040

約数和(自身を除く): 269014035

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 521, 1563, 2605, 2633, 7815, 7899, 9899, 13165, 29697, 39495, 49495, 50027, 148485, 150081, 250135, 750405, 1371793, 4115379, 6858965, 20576895, 26064067, 78192201, 130320335, 390961005]

約数ペア:

[(1, 390961005), (3, 130320335), (5, 78192201), (15, 26064067), (19, 20576895), (57, 6858965), (95, 4115379), (285, 1371793), (521, 750405), (1563, 250135), (2605, 150081), (2633, 148485), (7815, 50027), (7899, 49495), (9899, 39495), (13165, 29697)]