1638927

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{601}}^1$

素因数の和:711

約数の個数: 16

約数和(自身を含む): 2456160

約数和(自身を除く): 817233

約数列:

[1, 3, 9, 27, 101, 303, 601, 909, 1803, 2727, 5409, 16227, 60701, 182103, 546309, 1638927]

約数ペア:

[(1, 1638927), (3, 546309), (9, 182103), (27, 60701), (101, 16227), (303, 5409), (601, 2727), (909, 1803)]