196708509

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{216401}}^1$

素因数の和:216508

約数の個数: 12

約数和(自身を含む): 286949052

約数和(自身を除く): 90240543

約数列:

[1, 3, 9, 101, 303, 909, 216401, 649203, 1947609, 21856501, 65569503, 196708509]

約数ペア:

[(1, 196708509), (3, 65569503), (9, 21856501), (101, 1947609), (303, 649203), (909, 216401)]