205291215

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{198349}}^1$

素因数の和:198383

約数の個数: 24

約数和(自身を含む): 371311200

約数和(自身を除く): 166019985

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 198349, 595047, 991745, 1785141, 2975235, 4562027, 8925705, 13686081, 22810135, 41058243, 68430405, 205291215]

約数ペア:

[(1, 205291215), (3, 68430405), (5, 41058243), (9, 22810135), (15, 13686081), (23, 8925705), (45, 4562027), (69, 2975235), (115, 1785141), (207, 991745), (345, 595047), (1035, 198349)]