389059215

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{30841}}^1$

素因数の和:30907

約数の個数: 24

約数和(自身を含む): 644721168

約数和(自身を除く): 255661953

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 841, 2523, 4205, 12615, 30841, 92523, 154205, 462615, 894389, 2683167, 4471945, 13415835, 25937281, 77811843, 129686405, 389059215]

約数ペア:

[(1, 389059215), (3, 129686405), (5, 77811843), (15, 25937281), (29, 13415835), (87, 4471945), (145, 2683167), (435, 894389), (841, 462615), (2523, 154205), (4205, 92523), (12615, 30841)]