213305985

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{115613}}^1$

素因数の和:115665

約数の個数: 24

約数和(自身を含む): 378751464

約数和(自身を除く): 165445479

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 115613, 346839, 578065, 1040517, 1734195, 4740133, 5202585, 14220399, 23700665, 42661197, 71101995, 213305985]

約数ペア:

[(1, 213305985), (3, 71101995), (5, 42661197), (9, 23700665), (15, 14220399), (41, 5202585), (45, 4740133), (123, 1734195), (205, 1040517), (369, 578065), (615, 346839), (1845, 115613)]