15205965225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{392159}}^1$

素因数の和:392230

約数の個数: 48

約数和(自身を含む): 28009635840

約数和(自身を除く): 12803670615

約数列:

[1, 3, 5, 11, 15, 25, 33, 47, 55, 75, 141, 165, 235, 275, 517, 705, 825, 1175, 1551, 2585, 3525, 7755, 12925, 38775, 392159, 1176477, 1960795, 4313749, 5882385, 9803975, 12941247, 18431473, 21568745, 29411925, 55294419, 64706235, 92157365, 107843725, 202746203, 276472095, 323531175, 460786825, 608238609, 1013731015, 1382360475, 3041193045, 5068655075, 15205965225]

約数ペア:

[(1, 15205965225), (3, 5068655075), (5, 3041193045), (11, 1382360475), (15, 1013731015), (25, 608238609), (33, 460786825), (47, 323531175), (55, 276472095), (75, 202746203), (141, 107843725), (165, 92157365), (235, 64706235), (275, 55294419), (517, 29411925), (705, 21568745), (825, 18431473), (1175, 12941247), (1551, 9803975), (2585, 5882385), (3525, 4313749), (7755, 1960795), (12925, 1176477), (38775, 392159)]