87216051

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{72139}}^1$

素因数の和:72186

約数の個数: 16

約数和(自身を含む): 129274880

約数和(自身を除く): 42058829

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 72139, 216417, 937807, 2236309, 2813421, 6708927, 29072017, 87216051]

約数ペア:

[(1, 87216051), (3, 29072017), (13, 6708927), (31, 2813421), (39, 2236309), (93, 937807), (403, 216417), (1209, 72139)]