251569125

素因数分解:

$3^3\times 5^3\times {\mathrm{131}}^1\times {\mathrm{569}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 469497600

約数和(自身を除く): 217928475

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 131, 135, 225, 375, 393, 569, 655, 675, 1125, 1179, 1707, 1965, 2845, 3275, 3375, 3537, 5121, 5895, 8535, 9825, 14225, 15363, 16375, 17685, 25605, 29475, 42675, 49125, 71125, 74539, 76815, 88425, 128025, 147375, 213375, 223617, 372695, 384075, 442125, 640125, 670851, 1118085, 1863475, 1920375, 2012553, 3354255, 5590425, 9317375, 10062765, 16771275, 27952125, 50313825, 83856375, 251569125]

約数ペア:

[(1, 251569125), (3, 83856375), (5, 50313825), (9, 27952125), (15, 16771275), (25, 10062765), (27, 9317375), (45, 5590425), (75, 3354255), (125, 2012553), (131, 1920375), (135, 1863475), (225, 1118085), (375, 670851), (393, 640125), (569, 442125), (655, 384075), (675, 372695), (1125, 223617), (1179, 213375), (1707, 147375), (1965, 128025), (2845, 88425), (3275, 76815), (3375, 74539), (3537, 71125), (5121, 49125), (5895, 42675), (8535, 29475), (9825, 25605), (14225, 17685), (15363, 16375)]