1995921

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:654

約数の個数: 20

約数和(自身を含む): 3059364

約数和(自身を除く): 1063443

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 601, 1107, 1803, 3321, 5409, 16227, 24641, 48681, 73923, 221769, 665307, 1995921]

約数ペア:

[(1, 1995921), (3, 665307), (9, 221769), (27, 73923), (41, 48681), (81, 24641), (123, 16227), (369, 5409), (601, 3321), (1107, 1803)]