27811125

素因数分解:

$3^2\times 5^3\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 51105600

約数和(自身を除く): 23294475

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 75, 125, 177, 225, 295, 375, 419, 531, 885, 1125, 1257, 1475, 2095, 2655, 3771, 4425, 6285, 7375, 10475, 13275, 18855, 22125, 24721, 31425, 52375, 66375, 74163, 94275, 123605, 157125, 222489, 370815, 471375, 618025, 1112445, 1854075, 3090125, 5562225, 9270375, 27811125]

約数ペア:

[(1, 27811125), (3, 9270375), (5, 5562225), (9, 3090125), (15, 1854075), (25, 1112445), (45, 618025), (59, 471375), (75, 370815), (125, 222489), (177, 157125), (225, 123605), (295, 94275), (375, 74163), (419, 66375), (531, 52375), (885, 31425), (1125, 24721), (1257, 22125), (1475, 18855), (2095, 13275), (2655, 10475), (3771, 7375), (4425, 6285)]