30721245

素因数分解:

$3^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{2309}}^1$

素因数の和:3204

約数の個数: 16

約数和(自身を含む): 49230720

約数和(自身を除く): 18509475

約数列:

[1, 3, 5, 15, 887, 2309, 2661, 4435, 6927, 11545, 13305, 34635, 2048083, 6144249, 10240415, 30721245]

約数ペア:

[(1, 30721245), (3, 10240415), (5, 6144249), (15, 2048083), (887, 34635), (2309, 13305), (2661, 11545), (4435, 6927)]