204547455

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20947}}^1$

素因数の和:20996

約数の個数: 48

約数和(自身を含む): 418289664

約数和(自身を除く): 213742209

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1953, 3255, 9765, 20947, 62841, 104735, 146629, 188523, 314205, 439887, 649357, 733145, 942615, 1319661, 1948071, 2199435, 3246785, 4545499, 5844213, 6598305, 9740355, 13636497, 22727495, 29221065, 40909491, 68182485, 204547455]

約数ペア:

[(1, 204547455), (3, 68182485), (5, 40909491), (7, 29221065), (9, 22727495), (15, 13636497), (21, 9740355), (31, 6598305), (35, 5844213), (45, 4545499), (63, 3246785), (93, 2199435), (105, 1948071), (155, 1319661), (217, 942615), (279, 733145), (315, 649357), (465, 439887), (651, 314205), (1085, 188523), (1395, 146629), (1953, 104735), (3255, 62841), (9765, 20947)]