209213775

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{22679}}^1$

素因数の和:22736

約数の個数: 36

約数和(自身を含む): 383881680

約数和(自身を除く): 174667905

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 615, 1025, 1845, 3075, 9225, 22679, 68037, 113395, 204111, 340185, 566975, 929839, 1020555, 1700925, 2789517, 4649195, 5102775, 8368551, 13947585, 23245975, 41842755, 69737925, 209213775]

約数ペア:

[(1, 209213775), (3, 69737925), (5, 41842755), (9, 23245975), (15, 13947585), (25, 8368551), (41, 5102775), (45, 4649195), (75, 2789517), (123, 1700925), (205, 1020555), (225, 929839), (369, 566975), (615, 340185), (1025, 204111), (1845, 113395), (3075, 68037), (9225, 22679)]