31887921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{2039}}^1$

素因数の和:2456

約数の個数: 16

約数和(自身を含む): 45924480

約数和(自身を除く): 14036559

約数列:

[1, 3, 13, 39, 401, 1203, 2039, 5213, 6117, 15639, 26507, 79521, 817639, 2452917, 10629307, 31887921]

約数ペア:

[(1, 31887921), (3, 10629307), (13, 2452917), (39, 817639), (401, 79521), (1203, 26507), (2039, 15639), (5213, 6117)]