64239903

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78437}}^1$

素因数の和:78463

約数の個数: 24

約数和(自身を含む): 114205728

約数和(自身を除く): 49965825

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 78437, 235311, 549059, 705933, 1019681, 1647177, 3059043, 4941531, 7137767, 9177129, 21413301, 64239903]

約数ペア:

[(1, 64239903), (3, 21413301), (7, 9177129), (9, 7137767), (13, 4941531), (21, 3059043), (39, 1647177), (63, 1019681), (91, 705933), (117, 549059), (273, 235311), (819, 78437)]