78904125

素因数分解:

$3^4\times 5^3\times {\mathrm{7793}}^1$

素因数の和:7820

約数の個数: 40

約数和(自身を含む): 147119544

約数和(自身を除く): 68215419

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 2025, 3375, 7793, 10125, 23379, 38965, 70137, 116895, 194825, 210411, 350685, 584475, 631233, 974125, 1052055, 1753425, 2922375, 3156165, 5260275, 8767125, 15780825, 26301375, 78904125]

約数ペア:

[(1, 78904125), (3, 26301375), (5, 15780825), (9, 8767125), (15, 5260275), (25, 3156165), (27, 2922375), (45, 1753425), (75, 1052055), (81, 974125), (125, 631233), (135, 584475), (225, 350685), (375, 210411), (405, 194825), (675, 116895), (1125, 70137), (2025, 38965), (3375, 23379), (7793, 10125)]