2813625

素因数分解:

$3^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 48

約数和(自身を含む): 5280912

約数和(自身を除く): 2467287

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 61, 75, 123, 125, 183, 205, 225, 305, 369, 375, 549, 615, 915, 1025, 1125, 1525, 1845, 2501, 2745, 3075, 4575, 5125, 7503, 7625, 9225, 12505, 13725, 15375, 22509, 22875, 37515, 46125, 62525, 68625, 112545, 187575, 312625, 562725, 937875, 2813625]

約数ペア:

[(1, 2813625), (3, 937875), (5, 562725), (9, 312625), (15, 187575), (25, 112545), (41, 68625), (45, 62525), (61, 46125), (75, 37515), (123, 22875), (125, 22509), (183, 15375), (205, 13725), (225, 12505), (305, 9225), (369, 7625), (375, 7503), (549, 5125), (615, 4575), (915, 3075), (1025, 2745), (1125, 2501), (1525, 1845)]