1221741

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 1896960

約数和(自身を除く): 675219

約数列:

[1, 3, 9, 29, 31, 87, 93, 151, 261, 279, 453, 899, 1359, 2697, 4379, 4681, 8091, 13137, 14043, 39411, 42129, 135749, 407247, 1221741]

約数ペア:

[(1, 1221741), (3, 407247), (9, 135749), (29, 42129), (31, 39411), (87, 14043), (93, 13137), (151, 8091), (261, 4681), (279, 4379), (453, 2697), (899, 1359)]