1940625

素因数分解:

$3^3\times 5^5\times {\mathrm{23}}^1$

素因数の和:57

約数の個数: 48

約数和(自身を含む): 3749760

約数和(自身を除く): 1809135

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 125, 135, 207, 225, 345, 375, 575, 621, 625, 675, 1035, 1125, 1725, 1875, 2875, 3105, 3125, 3375, 5175, 5625, 8625, 9375, 14375, 15525, 16875, 25875, 28125, 43125, 71875, 77625, 84375, 129375, 215625, 388125, 646875, 1940625]

約数ペア:

[(1, 1940625), (3, 646875), (5, 388125), (9, 215625), (15, 129375), (23, 84375), (25, 77625), (27, 71875), (45, 43125), (69, 28125), (75, 25875), (115, 16875), (125, 15525), (135, 14375), (207, 9375), (225, 8625), (345, 5625), (375, 5175), (575, 3375), (621, 3125), (625, 3105), (675, 2875), (1035, 1875), (1125, 1725)]