81507975

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47251}}^1$

素因数の和:47287

約数の個数: 24

約数和(自身を含む): 140621952

約数和(自身を除く): 59113977

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 47251, 141753, 236255, 708765, 1086773, 1181275, 3260319, 3543825, 5433865, 16301595, 27169325, 81507975]

約数ペア:

[(1, 81507975), (3, 27169325), (5, 16301595), (15, 5433865), (23, 3543825), (25, 3260319), (69, 1181275), (75, 1086773), (115, 708765), (345, 236255), (575, 141753), (1725, 47251)]