181858989

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1\times {\mathrm{419}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 270950400

約数和(自身を除く): 89091411

約数列:

[1, 3, 13, 31, 39, 93, 359, 403, 419, 1077, 1209, 1257, 4667, 5447, 11129, 12989, 14001, 16341, 33387, 38967, 144677, 150421, 168857, 434031, 451263, 506571, 1955473, 4663051, 5866419, 13989153, 60619663, 181858989]

約数ペア:

[(1, 181858989), (3, 60619663), (13, 13989153), (31, 5866419), (39, 4663051), (93, 1955473), (359, 506571), (403, 451263), (419, 434031), (1077, 168857), (1209, 150421), (1257, 144677), (4667, 38967), (5447, 33387), (11129, 16341), (12989, 14001)]