3979125

素因数分解:

$3^5\times 5^3\times {\mathrm{131}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 7495488

約数和(自身を除く): 3516363

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 131, 135, 225, 243, 375, 393, 405, 655, 675, 1125, 1179, 1215, 1965, 2025, 3275, 3375, 3537, 5895, 6075, 9825, 10125, 10611, 16375, 17685, 29475, 30375, 31833, 49125, 53055, 88425, 147375, 159165, 265275, 442125, 795825, 1326375, 3979125]

約数ペア:

[(1, 3979125), (3, 1326375), (5, 795825), (9, 442125), (15, 265275), (25, 159165), (27, 147375), (45, 88425), (75, 53055), (81, 49125), (125, 31833), (131, 30375), (135, 29475), (225, 17685), (243, 16375), (375, 10611), (393, 10125), (405, 9825), (655, 6075), (675, 5895), (1125, 3537), (1179, 3375), (1215, 3275), (1965, 2025)]