397804797

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{30631}}^1$

素因数の和:30690

約数の個数: 32

約数和(自身を含む): 651848960

約数和(自身を除く): 254044163

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 4329, 12987, 30631, 91893, 275679, 398203, 827037, 1133347, 1194609, 3400041, 3583827, 10200123, 10751481, 14733511, 30600369, 44200533, 132601599, 397804797]

約数ペア:

[(1, 397804797), (3, 132601599), (9, 44200533), (13, 30600369), (27, 14733511), (37, 10751481), (39, 10200123), (111, 3583827), (117, 3400041), (333, 1194609), (351, 1133347), (481, 827037), (999, 398203), (1443, 275679), (4329, 91893), (12987, 30631)]