201966615

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12163}}^1$

素因数の和:12221

約数の個数: 40

約数和(自身を含む): 370904688

約数和(自身を除く): 168938073

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 615, 1107, 1845, 3321, 5535, 12163, 16605, 36489, 60815, 109467, 182445, 328401, 498683, 547335, 985203, 1496049, 1642005, 2493415, 4488147, 4926015, 7480245, 13464441, 22440735, 40393323, 67322205, 201966615]

約数ペア:

[(1, 201966615), (3, 67322205), (5, 40393323), (9, 22440735), (15, 13464441), (27, 7480245), (41, 4926015), (45, 4488147), (81, 2493415), (123, 1642005), (135, 1496049), (205, 985203), (369, 547335), (405, 498683), (615, 328401), (1107, 182445), (1845, 109467), (3321, 60815), (5535, 36489), (12163, 16605)]