520191

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 898560

約数和(自身を除く): 378369

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 359, 483, 1077, 1449, 2513, 3231, 7539, 8257, 22617, 24771, 57799, 74313, 173397, 520191]

約数ペア:

[(1, 520191), (3, 173397), (7, 74313), (9, 57799), (21, 24771), (23, 22617), (63, 8257), (69, 7539), (161, 3231), (207, 2513), (359, 1449), (483, 1077)]