165716625

素因数分解:

$3^1\times 5^3\times {\mathrm{43}}^2\times {\mathrm{239}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 283495680

約数和(自身を除く): 117779055

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 239, 375, 645, 717, 1075, 1195, 1849, 3225, 3585, 5375, 5547, 5975, 9245, 10277, 16125, 17925, 27735, 29875, 30831, 46225, 51385, 89625, 138675, 154155, 231125, 256925, 441911, 693375, 770775, 1284625, 1325733, 2209555, 3853875, 6628665, 11047775, 33143325, 55238875, 165716625]

約数ペア:

[(1, 165716625), (3, 55238875), (5, 33143325), (15, 11047775), (25, 6628665), (43, 3853875), (75, 2209555), (125, 1325733), (129, 1284625), (215, 770775), (239, 693375), (375, 441911), (645, 256925), (717, 231125), (1075, 154155), (1195, 138675), (1849, 89625), (3225, 51385), (3585, 46225), (5375, 30831), (5547, 29875), (5975, 27735), (9245, 17925), (10277, 16125)]