65216025

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{881}}^1$

素因数の和:951

約数の個数: 72

約数和(自身を含む): 136491264

約数和(自身を除く): 71275239

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 47, 63, 75, 105, 141, 175, 225, 235, 315, 329, 423, 525, 705, 881, 987, 1175, 1575, 1645, 2115, 2643, 2961, 3525, 4405, 4935, 6167, 7929, 8225, 10575, 13215, 14805, 18501, 22025, 24675, 30835, 39645, 41407, 55503, 66075, 74025, 92505, 124221, 154175, 198225, 207035, 277515, 289849, 372663, 462525, 621105, 869547, 1035175, 1387575, 1449245, 1863315, 2608641, 3105525, 4347735, 7246225, 9316575, 13043205, 21738675, 65216025]

約数ペア:

[(1, 65216025), (3, 21738675), (5, 13043205), (7, 9316575), (9, 7246225), (15, 4347735), (21, 3105525), (25, 2608641), (35, 1863315), (45, 1449245), (47, 1387575), (63, 1035175), (75, 869547), (105, 621105), (141, 462525), (175, 372663), (225, 289849), (235, 277515), (315, 207035), (329, 198225), (423, 154175), (525, 124221), (705, 92505), (881, 74025), (987, 66075), (1175, 55503), (1575, 41407), (1645, 39645), (2115, 30835), (2643, 24675), (2961, 22025), (3525, 18501), (4405, 14805), (4935, 13215), (6167, 10575), (7929, 8225)]