388065

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 637056

約数和(自身を除く): 248991

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 631, 1893, 3155, 9465, 25871, 77613, 129355, 388065]

約数ペア:

[(1, 388065), (3, 129355), (5, 77613), (15, 25871), (41, 9465), (123, 3155), (205, 1893), (615, 631)]