87013983

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{557}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 136705536

約数和(自身を除く): 49691553

約数列:

[1, 3, 7, 21, 43, 129, 173, 301, 519, 557, 903, 1211, 1671, 3633, 3899, 7439, 11697, 22317, 23951, 52073, 71853, 96361, 156219, 167657, 289083, 502971, 674527, 2023581, 4143523, 12430569, 29004661, 87013983]

約数ペア:

[(1, 87013983), (3, 29004661), (7, 12430569), (21, 4143523), (43, 2023581), (129, 674527), (173, 502971), (301, 289083), (519, 167657), (557, 156219), (903, 96361), (1211, 71853), (1671, 52073), (3633, 23951), (3899, 22317), (7439, 11697)]