390256875

素因数分解:

$3^2\times 5^4\times {\mathrm{69379}}^1$

素因数の和:69405

約数の個数: 30

約数和(自身を含む): 704415140

約数和(自身を除く): 314158265

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 5625, 69379, 208137, 346895, 624411, 1040685, 1734475, 3122055, 5203425, 8672375, 15610275, 26017125, 43361875, 78051375, 130085625, 390256875]

約数ペア:

[(1, 390256875), (3, 130085625), (5, 78051375), (9, 43361875), (15, 26017125), (25, 15610275), (45, 8672375), (75, 5203425), (125, 3122055), (225, 1734475), (375, 1040685), (625, 624411), (1125, 346895), (1875, 208137), (5625, 69379)]