1839375

素因数分解:

$3^3\times 5^4\times {\mathrm{109}}^1$

素因数の和:138

約数の個数: 40

約数和(自身を含む): 3436400

約数和(自身を除く): 1597025

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 109, 125, 135, 225, 327, 375, 545, 625, 675, 981, 1125, 1635, 1875, 2725, 2943, 3375, 4905, 5625, 8175, 13625, 14715, 16875, 24525, 40875, 68125, 73575, 122625, 204375, 367875, 613125, 1839375]

約数ペア:

[(1, 1839375), (3, 613125), (5, 367875), (9, 204375), (15, 122625), (25, 73575), (27, 68125), (45, 40875), (75, 24525), (109, 16875), (125, 14715), (135, 13625), (225, 8175), (327, 5625), (375, 4905), (545, 3375), (625, 2943), (675, 2725), (981, 1875), (1125, 1635)]