1242115

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1543}}^1$

素因数の和:1578

約数の個数: 16

約数和(自身を含む): 1778688

約数和(自身を除く): 536573

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 1543, 7715, 10801, 35489, 54005, 177445, 248423, 1242115]

約数ペア:

[(1, 1242115), (5, 248423), (7, 177445), (23, 54005), (35, 35489), (115, 10801), (161, 7715), (805, 1543)]