25131375

素因数分解:

$3^2\times 5^3\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 45995040

約数和(自身を除く): 20863665

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 89, 125, 225, 251, 267, 375, 445, 753, 801, 1125, 1255, 1335, 2225, 2259, 3765, 4005, 6275, 6675, 11125, 11295, 18825, 20025, 22339, 31375, 33375, 56475, 67017, 94125, 100125, 111695, 201051, 282375, 335085, 558475, 1005255, 1675425, 2792375, 5026275, 8377125, 25131375]

約数ペア:

[(1, 25131375), (3, 8377125), (5, 5026275), (9, 2792375), (15, 1675425), (25, 1005255), (45, 558475), (75, 335085), (89, 282375), (125, 201051), (225, 111695), (251, 100125), (267, 94125), (375, 67017), (445, 56475), (753, 33375), (801, 31375), (1125, 22339), (1255, 20025), (1335, 18825), (2225, 11295), (2259, 11125), (3765, 6675), (4005, 6275)]