220165605

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1861}}^1$

素因数の和:2122

約数の個数: 48

約数和(自身を含む): 418279680

約数和(自身を除く): 198114075

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 239, 495, 717, 1195, 1861, 2151, 2629, 3585, 5583, 7887, 9305, 10755, 13145, 16749, 20471, 23661, 27915, 39435, 61413, 83745, 102355, 118305, 184239, 307065, 444779, 921195, 1334337, 2223895, 4003011, 4892569, 6671685, 14677707, 20015055, 24462845, 44033121, 73388535, 220165605]

約数ペア:

[(1, 220165605), (3, 73388535), (5, 44033121), (9, 24462845), (11, 20015055), (15, 14677707), (33, 6671685), (45, 4892569), (55, 4003011), (99, 2223895), (165, 1334337), (239, 921195), (495, 444779), (717, 307065), (1195, 184239), (1861, 118305), (2151, 102355), (2629, 83745), (3585, 61413), (5583, 39435), (7887, 27915), (9305, 23661), (10755, 20471), (13145, 16749)]