87865803

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{17783}}^1$

素因数の和:17856

約数の個数: 20

約数和(自身を含む): 133415568

約数和(自身を除く): 45549765

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 17783, 53349, 160047, 480141, 1084763, 1440423, 3254289, 9762867, 29288601, 87865803]

約数ペア:

[(1, 87865803), (3, 29288601), (9, 9762867), (27, 3254289), (61, 1440423), (81, 1084763), (183, 480141), (549, 160047), (1647, 53349), (4941, 17783)]