205320195

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{198377}}^1$

素因数の和:198411

約数の個数: 24

約数和(自身を含む): 371363616

約数和(自身を除く): 166043421

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 198377, 595131, 991885, 1785393, 2975655, 4562671, 8926965, 13688013, 22813355, 41064039, 68440065, 205320195]

約数ペア:

[(1, 205320195), (3, 68440065), (5, 41064039), (9, 22813355), (15, 13688013), (23, 8926965), (45, 4562671), (69, 2975655), (115, 1785393), (207, 991885), (345, 595131), (1035, 198377)]