31413753

素因数分解:

$3^2\times 7^2\times {\mathrm{71233}}^1$

素因数の和:71253

約数の個数: 18

約数和(自身を含む): 52784394

約数和(自身を除く): 21370641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 71233, 213699, 498631, 641097, 1495893, 3490417, 4487679, 10471251, 31413753]

約数ペア:

[(1, 31413753), (3, 10471251), (7, 4487679), (9, 3490417), (21, 1495893), (49, 641097), (63, 498631), (147, 213699), (441, 71233)]