201538881

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{111409}}^1$

素因数の和:111485

約数の個数: 16

約数和(自身を含む): 303035200

約数和(自身を除く): 101496319

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 111409, 334227, 1002681, 3008043, 7464403, 22393209, 67179627, 201538881]

約数ペア:

[(1, 201538881), (3, 67179627), (9, 22393209), (27, 7464403), (67, 3008043), (201, 1002681), (603, 334227), (1809, 111409)]