201621287

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{3169}}^1$

素因数の和:3386

約数の個数: 16

約数和(自身を含む): 235848000

約数和(自身を除く): 34226713

約数列:

[1, 7, 61, 149, 427, 1043, 3169, 9089, 22183, 63623, 193309, 472181, 1353163, 3305267, 28803041, 201621287]

約数ペア:

[(1, 201621287), (7, 28803041), (61, 3305267), (149, 1353163), (427, 472181), (1043, 193309), (3169, 63623), (9089, 22183)]