30782745

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1237}}^1$

素因数の和:1334

約数の個数: 48

約数和(自身を含む): 61800960

約数和(自身を除く): 31018215

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 79, 105, 237, 315, 395, 553, 711, 1185, 1237, 1659, 2765, 3555, 3711, 4977, 6185, 8295, 8659, 11133, 18555, 24885, 25977, 43295, 55665, 77931, 97723, 129885, 293169, 389655, 488615, 684061, 879507, 1465845, 2052183, 3420305, 4397535, 6156549, 10260915, 30782745]

約数ペア:

[(1, 30782745), (3, 10260915), (5, 6156549), (7, 4397535), (9, 3420305), (15, 2052183), (21, 1465845), (35, 879507), (45, 684061), (63, 488615), (79, 389655), (105, 293169), (237, 129885), (315, 97723), (395, 77931), (553, 55665), (711, 43295), (1185, 25977), (1237, 24885), (1659, 18555), (2765, 11133), (3555, 8659), (3711, 8295), (4977, 6185)]