531375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:140

約数の個数: 32

約数和(自身を含む): 960960

約数和(自身を除く): 429585

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 109, 125, 195, 325, 327, 375, 545, 975, 1417, 1625, 1635, 2725, 4251, 4875, 7085, 8175, 13625, 21255, 35425, 40875, 106275, 177125, 531375]

約数ペア:

[(1, 531375), (3, 177125), (5, 106275), (13, 40875), (15, 35425), (25, 21255), (39, 13625), (65, 8175), (75, 7085), (109, 4875), (125, 4251), (195, 2725), (325, 1635), (327, 1625), (375, 1417), (545, 975)]