209968995

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{1531}}^1$

素因数の和:1803

約数の個数: 32

約数和(自身を含む): 345913344

約数和(自身を除く): 135944349

約数列:

[1, 3, 5, 15, 41, 123, 205, 223, 615, 669, 1115, 1531, 3345, 4593, 7655, 9143, 22965, 27429, 45715, 62771, 137145, 188313, 313855, 341413, 941565, 1024239, 1707065, 5121195, 13997933, 41993799, 69989665, 209968995]

約数ペア:

[(1, 209968995), (3, 69989665), (5, 41993799), (15, 13997933), (41, 5121195), (123, 1707065), (205, 1024239), (223, 941565), (615, 341413), (669, 313855), (1115, 188313), (1531, 137145), (3345, 62771), (4593, 45715), (7655, 27429), (9143, 22965)]