12989223

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1657}}^1$

素因数の和:1743

約数の個数: 24

約数和(自身を含む): 20519408

約数和(自身を除く): 7530185

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 1657, 2613, 4971, 7839, 14913, 21541, 64623, 111019, 193869, 333057, 999171, 1443247, 4329741, 12989223]

約数ペア:

[(1, 12989223), (3, 4329741), (9, 1443247), (13, 999171), (39, 333057), (67, 193869), (117, 111019), (201, 64623), (603, 21541), (871, 14913), (1657, 7839), (2613, 4971)]