5518125

素因数分解:

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

素因数の和:141

約数の個数: 50

約数和(自身を含む): 10395110

約数和(自身を除く): 4876985

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 109, 125, 135, 225, 327, 375, 405, 545, 625, 675, 981, 1125, 1635, 1875, 2025, 2725, 2943, 3375, 4905, 5625, 8175, 8829, 10125, 13625, 14715, 16875, 24525, 40875, 44145, 50625, 68125, 73575, 122625, 204375, 220725, 367875, 613125, 1103625, 1839375, 5518125]

約数ペア:

[(1, 5518125), (3, 1839375), (5, 1103625), (9, 613125), (15, 367875), (25, 220725), (27, 204375), (45, 122625), (75, 73575), (81, 68125), (109, 50625), (125, 44145), (135, 40875), (225, 24525), (327, 16875), (375, 14715), (405, 13625), (545, 10125), (625, 8829), (675, 8175), (981, 5625), (1125, 4905), (1635, 3375), (1875, 2943), (2025, 2725)]