123315678

素因数分解:

$2^1\times 3^2\times {\mathrm{149}}^1\times {\mathrm{45979}}^1$

素因数の和:46136

約数の個数: 24

約数和(自身を含む): 268983000

約数和(自身を除く): 145667322

約数列:

[1, 2, 3, 6, 9, 18, 149, 298, 447, 894, 1341, 2682, 45979, 91958, 137937, 275874, 413811, 827622, 6850871, 13701742, 20552613, 41105226, 61657839, 123315678]

約数ペア:

[(1, 123315678), (2, 61657839), (3, 41105226), (6, 20552613), (9, 13701742), (18, 6850871), (149, 827622), (298, 413811), (447, 275874), (894, 137937), (1341, 91958), (2682, 45979)]