1220248515

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2805169}}^1$

素因数の和:2805206

約数の個数: 16

約数和(自身を含む): 2019722400

約数和(自身を除く): 799473885

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 2805169, 8415507, 14025845, 42077535, 81349901, 244049703, 406749505, 1220248515]

約数ペア:

[(1, 1220248515), (3, 406749505), (5, 244049703), (15, 81349901), (29, 42077535), (87, 14025845), (145, 8415507), (435, 2805169)]