213792215

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{859}}^1$

素因数の和:1431

約数の個数: 32

約数和(自身を含む): 316700160

約数和(自身を除く): 102907945

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 547, 859, 2735, 3829, 4295, 6013, 7111, 11167, 19145, 30065, 35555, 49777, 55835, 78169, 248885, 390845, 469873, 2349365, 3289111, 6108349, 16445555, 30541745, 42758443, 213792215]

約数ペア:

[(1, 213792215), (5, 42758443), (7, 30541745), (13, 16445555), (35, 6108349), (65, 3289111), (91, 2349365), (455, 469873), (547, 390845), (859, 248885), (2735, 78169), (3829, 55835), (4295, 49777), (6013, 35555), (7111, 30065), (11167, 19145)]