390349965

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{5981}}^1$

素因数の和:6237

約数の個数: 32

約数和(自身を含む): 660412800

約数和(自身を除く): 270062835

約数列:

[1, 3, 5, 15, 19, 57, 95, 229, 285, 687, 1145, 3435, 4351, 5981, 13053, 17943, 21755, 29905, 65265, 89715, 113639, 340917, 568195, 1369649, 1704585, 4108947, 6848245, 20544735, 26023331, 78069993, 130116655, 390349965]

約数ペア:

[(1, 390349965), (3, 130116655), (5, 78069993), (15, 26023331), (19, 20544735), (57, 6848245), (95, 4108947), (229, 1704585), (285, 1369649), (687, 568195), (1145, 340917), (3435, 113639), (4351, 89715), (5981, 65265), (13053, 29905), (17943, 21755)]