17938125

素因数分解:

$3^3\times 5^4\times {\mathrm{1063}}^1$

素因数の和:1092

約数の個数: 40

約数和(自身を含む): 33239360

約数和(自身を除く): 15301235

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 1063, 1125, 1875, 3189, 3375, 5315, 5625, 9567, 15945, 16875, 26575, 28701, 47835, 79725, 132875, 143505, 239175, 398625, 664375, 717525, 1195875, 1993125, 3587625, 5979375, 17938125]

約数ペア:

[(1, 17938125), (3, 5979375), (5, 3587625), (9, 1993125), (15, 1195875), (25, 717525), (27, 664375), (45, 398625), (75, 239175), (125, 143505), (135, 132875), (225, 79725), (375, 47835), (625, 28701), (675, 26575), (1063, 16875), (1125, 15945), (1875, 9567), (3189, 5625), (3375, 5315)]