217872465

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1\times {\mathrm{859}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 359218560

約数和(自身を除く): 141346095

約数列:

[1, 3, 5, 15, 37, 111, 185, 457, 555, 859, 1371, 2285, 2577, 4295, 6855, 12885, 16909, 31783, 50727, 84545, 95349, 158915, 253635, 392563, 476745, 1177689, 1962815, 5888445, 14524831, 43574493, 72624155, 217872465]

約数ペア:

[(1, 217872465), (3, 72624155), (5, 43574493), (15, 14524831), (37, 5888445), (111, 1962815), (185, 1177689), (457, 476745), (555, 392563), (859, 253635), (1371, 158915), (2285, 95349), (2577, 84545), (4295, 50727), (6855, 31783), (12885, 16909)]