128943315

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{18251}}^1$

素因数の和:18419

約数の個数: 24

約数和(自身を含む): 224937648

約数和(自身を除く): 95994333

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 7065, 18251, 54753, 91255, 164259, 273765, 821295, 2865407, 8596221, 14327035, 25788663, 42981105, 128943315]

約数ペア:

[(1, 128943315), (3, 42981105), (5, 25788663), (9, 14327035), (15, 8596221), (45, 2865407), (157, 821295), (471, 273765), (785, 164259), (1413, 91255), (2355, 54753), (7065, 18251)]