31690455

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:703

約数の個数: 32

約数和(自身を含む): 52531200

約数和(自身を除く): 20840745

約数列:

[1, 3, 5, 15, 47, 79, 141, 235, 237, 395, 569, 705, 1185, 1707, 2845, 3713, 8535, 11139, 18565, 26743, 44951, 55695, 80229, 133715, 134853, 224755, 401145, 674265, 2112697, 6338091, 10563485, 31690455]

約数ペア:

[(1, 31690455), (3, 10563485), (5, 6338091), (15, 2112697), (47, 674265), (79, 401145), (141, 224755), (235, 134853), (237, 133715), (395, 80229), (569, 55695), (705, 44951), (1185, 26743), (1707, 18565), (2845, 11139), (3713, 8535)]