128318625

素因数分解:

$3^2\times 5^3\times {\mathrm{167}}^1\times {\mathrm{683}}^1$

素因数の和:871

約数の個数: 48

約数和(自身を含む): 233041536

約数和(自身を除く): 104722911

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 167, 225, 375, 501, 683, 835, 1125, 1503, 2049, 2505, 3415, 4175, 6147, 7515, 10245, 12525, 17075, 20875, 30735, 37575, 51225, 62625, 85375, 114061, 153675, 187875, 256125, 342183, 570305, 768375, 1026549, 1710915, 2851525, 5132745, 8554575, 14257625, 25663725, 42772875, 128318625]

約数ペア:

[(1, 128318625), (3, 42772875), (5, 25663725), (9, 14257625), (15, 8554575), (25, 5132745), (45, 2851525), (75, 1710915), (125, 1026549), (167, 768375), (225, 570305), (375, 342183), (501, 256125), (683, 187875), (835, 153675), (1125, 114061), (1503, 85375), (2049, 62625), (2505, 51225), (3415, 37575), (4175, 30735), (6147, 20875), (7515, 17075), (10245, 12525)]