189491679

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{3847}}^1$

素因数の和:4287

約数の個数: 24

約数和(自身を含む): 295541792

約数和(自身を除く): 106050113

約数列:

[1, 3, 9, 13, 39, 117, 421, 1263, 3789, 3847, 5473, 11541, 16419, 34623, 49257, 50011, 150033, 450099, 1619587, 4858761, 14576283, 21054631, 63163893, 189491679]

約数ペア:

[(1, 189491679), (3, 63163893), (9, 21054631), (13, 14576283), (39, 4858761), (117, 1619587), (421, 450099), (1263, 150033), (3789, 50011), (3847, 49257), (5473, 34623), (11541, 16419)]