217412835

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{2251}}^1$

素因数の和:2443

約数の個数: 32

約数和(自身を含む): 358013952

約数和(自身を除く): 140601117

約数列:

[1, 3, 5, 15, 47, 137, 141, 235, 411, 685, 705, 2055, 2251, 6439, 6753, 11255, 19317, 32195, 33765, 96585, 105797, 308387, 317391, 528985, 925161, 1541935, 1586955, 4625805, 14494189, 43482567, 72470945, 217412835]

約数ペア:

[(1, 217412835), (3, 72470945), (5, 43482567), (15, 14494189), (47, 4625805), (137, 1586955), (141, 1541935), (235, 925161), (411, 528985), (685, 317391), (705, 308387), (2055, 105797), (2251, 96585), (6439, 33765), (6753, 32195), (11255, 19317)]