538553673

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{120401}}^1$

素因数の和:120485

約数の個数: 24

約数和(自身を含む): 901570176

約数和(自身を除く): 363016503

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 120401, 361203, 842807, 1083609, 2528421, 7585263, 8548471, 25645413, 59839297, 76936239, 179517891, 538553673]

約数ペア:

[(1, 538553673), (3, 179517891), (7, 76936239), (9, 59839297), (21, 25645413), (63, 8548471), (71, 7585263), (213, 2528421), (497, 1083609), (639, 842807), (1491, 361203), (4473, 120401)]