121455375

素因数分解:

$3^1\times 5^3\times {\mathrm{163}}^1\times {\mathrm{1987}}^1$

素因数の和:2168

約数の個数: 32

約数和(自身を含む): 203443968

約数和(自身を除く): 81988593

約数列:

[1, 3, 5, 15, 25, 75, 125, 163, 375, 489, 815, 1987, 2445, 4075, 5961, 9935, 12225, 20375, 29805, 49675, 61125, 149025, 248375, 323881, 745125, 971643, 1619405, 4858215, 8097025, 24291075, 40485125, 121455375]

約数ペア:

[(1, 121455375), (3, 40485125), (5, 24291075), (15, 8097025), (25, 4858215), (75, 1619405), (125, 971643), (163, 745125), (375, 323881), (489, 248375), (815, 149025), (1987, 61125), (2445, 49675), (4075, 29805), (5961, 20375), (9935, 12225)]