2210625

素因数分解:

$3^3\times 5^4\times {\mathrm{131}}^1$

素因数の和:160

約数の個数: 40

約数和(自身を含む): 4123680

約数和(自身を除く): 1913055

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 131, 135, 225, 375, 393, 625, 655, 675, 1125, 1179, 1875, 1965, 3275, 3375, 3537, 5625, 5895, 9825, 16375, 16875, 17685, 29475, 49125, 81875, 88425, 147375, 245625, 442125, 736875, 2210625]

約数ペア:

[(1, 2210625), (3, 736875), (5, 442125), (9, 245625), (15, 147375), (25, 88425), (27, 81875), (45, 49125), (75, 29475), (125, 17685), (131, 16875), (135, 16375), (225, 9825), (375, 5895), (393, 5625), (625, 3537), (655, 3375), (675, 3275), (1125, 1965), (1179, 1875)]