2721375

素因数分解:

$3^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 5110560

約数和(自身を除く): 2389185

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 59, 75, 123, 125, 177, 205, 225, 295, 369, 375, 531, 615, 885, 1025, 1125, 1475, 1845, 2419, 2655, 3075, 4425, 5125, 7257, 7375, 9225, 12095, 13275, 15375, 21771, 22125, 36285, 46125, 60475, 66375, 108855, 181425, 302375, 544275, 907125, 2721375]

約数ペア:

[(1, 2721375), (3, 907125), (5, 544275), (9, 302375), (15, 181425), (25, 108855), (41, 66375), (45, 60475), (59, 46125), (75, 36285), (123, 22125), (125, 21771), (177, 15375), (205, 13275), (225, 12095), (295, 9225), (369, 7375), (375, 7257), (531, 5125), (615, 4425), (885, 3075), (1025, 2655), (1125, 2419), (1475, 1845)]