521873121

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{18671}}^1$

素因数の和:18714

約数の個数: 32

約数和(自身を含む): 874745856

約数和(自身を除く): 352872735

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 1331, 2541, 3993, 9317, 18671, 27951, 56013, 130697, 205381, 392091, 616143, 1437667, 2259191, 4313001, 6777573, 15814337, 24851101, 47443011, 74553303, 173957707, 521873121]

約数ペア:

[(1, 521873121), (3, 173957707), (7, 74553303), (11, 47443011), (21, 24851101), (33, 15814337), (77, 6777573), (121, 4313001), (231, 2259191), (363, 1437667), (847, 616143), (1331, 392091), (2541, 205381), (3993, 130697), (9317, 56013), (18671, 27951)]