15940315

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 19742976

約数和(自身を除く): 3802661

約数列:

[1, 5, 43, 151, 215, 491, 755, 2455, 6493, 21113, 32465, 74141, 105565, 370705, 3188063, 15940315]

約数ペア:

[(1, 15940315), (5, 3188063), (43, 370705), (151, 105565), (215, 74141), (491, 32465), (755, 21113), (2455, 6493)]