31272633

素因数分解:

$3^2\times 7^2\times {\mathrm{70913}}^1$

素因数の和:70933

約数の個数: 18

約数和(自身を含む): 52547274

約数和(自身を除く): 21274641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 70913, 212739, 496391, 638217, 1489173, 3474737, 4467519, 10424211, 31272633]

約数ペア:

[(1, 31272633), (3, 10424211), (7, 4467519), (9, 3474737), (21, 1489173), (49, 638217), (63, 496391), (147, 212739), (441, 70913)]