67681245

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{42169}}^1$

素因数の和:42284

約数の個数: 16

約数和(自身を含む): 109304640

約数和(自身を除く): 41623395

約数列:

[1, 3, 5, 15, 107, 321, 535, 1605, 42169, 126507, 210845, 632535, 4512083, 13536249, 22560415, 67681245]

約数ペア:

[(1, 67681245), (3, 22560415), (5, 13536249), (15, 4512083), (107, 632535), (321, 210845), (535, 126507), (1605, 42169)]