661900545

素因数分解:

$3^3\times 5^1\times {\mathrm{4902967}}^1$

素因数の和:4902981

約数の個数: 16

約数和(自身を含む): 1176712320

約数和(自身を除く): 514811775

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 4902967, 14708901, 24514835, 44126703, 73544505, 132380109, 220633515, 661900545]

約数ペア:

[(1, 661900545), (3, 220633515), (5, 132380109), (9, 73544505), (15, 44126703), (27, 24514835), (45, 14708901), (135, 4902967)]