256607115

素因数分解:

$3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{30713}}^1$

素因数の和:31278

約数の個数: 16

約数和(自身を含む): 411321888

約数和(自身を除く): 154714773

約数列:

[1, 3, 5, 15, 557, 1671, 2785, 8355, 30713, 92139, 153565, 460695, 17107141, 51321423, 85535705, 256607115]

約数ペア:

[(1, 256607115), (3, 85535705), (5, 51321423), (15, 17107141), (557, 460695), (1671, 153565), (2785, 92139), (8355, 30713)]