201538323

素因数分解:

$3^2\times 7^2\times {\mathrm{457003}}^1$

素因数の和:457023

約数の個数: 18

約数和(自身を含む): 338639964

約数和(自身を除く): 137101641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 457003, 1371009, 3199021, 4113027, 9597063, 22393147, 28791189, 67179441, 201538323]

約数ペア:

[(1, 201538323), (3, 67179441), (7, 28791189), (9, 22393147), (21, 9597063), (49, 4113027), (63, 3199021), (147, 1371009), (441, 457003)]