80342685

素因数分解:

$3^4\times 5^1\times {\mathrm{198377}}^1$

素因数の和:198394

約数の個数: 20

約数和(自身を含む): 144022428

約数和(自身を除く): 63679743

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 198377, 595131, 991885, 1785393, 2975655, 5356179, 8926965, 16068537, 26780895, 80342685]

約数ペア:

[(1, 80342685), (3, 26780895), (5, 16068537), (9, 8926965), (15, 5356179), (27, 2975655), (45, 1785393), (81, 991885), (135, 595131), (405, 198377)]