77770125

素因数分解:

$3^4\times 5^3\times {\mathrm{7681}}^1$

素因数の和:7708

約数の個数: 40

約数和(自身を含む): 145005432

約数和(自身を除く): 67235307

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 2025, 3375, 7681, 10125, 23043, 38405, 69129, 115215, 192025, 207387, 345645, 576075, 622161, 960125, 1036935, 1728225, 2880375, 3110805, 5184675, 8641125, 15554025, 25923375, 77770125]

約数ペア:

[(1, 77770125), (3, 25923375), (5, 15554025), (9, 8641125), (15, 5184675), (25, 3110805), (27, 2880375), (45, 1728225), (75, 1036935), (81, 960125), (125, 622161), (135, 576075), (225, 345645), (375, 207387), (405, 192025), (675, 115215), (1125, 69129), (2025, 38405), (3375, 23043), (7681, 10125)]