228347715

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{1439}}^1$

素因数の和:1667

約数の個数: 32

約数和(自身を含む): 373248000

約数和(自身を除く): 144900285

約数列:

[1, 3, 5, 15, 71, 149, 213, 355, 447, 745, 1065, 1439, 2235, 4317, 7195, 10579, 21585, 31737, 52895, 102169, 158685, 214411, 306507, 510845, 643233, 1072055, 1532535, 3216165, 15223181, 45669543, 76115905, 228347715]

約数ペア:

[(1, 228347715), (3, 76115905), (5, 45669543), (15, 15223181), (71, 3216165), (149, 1532535), (213, 1072055), (355, 643233), (447, 510845), (745, 306507), (1065, 214411), (1439, 158685), (2235, 102169), (4317, 52895), (7195, 31737), (10579, 21585)]