27818615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21991}}^1$

素因数の和:22030

約数の個数: 16

約数和(自身を含む): 38002176

約数和(自身を除く): 10183561

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 21991, 109955, 241901, 505793, 1209505, 2528965, 5563723, 27818615]

約数ペア:

[(1, 27818615), (5, 5563723), (11, 2528965), (23, 1209505), (55, 505793), (115, 241901), (253, 109955), (1265, 21991)]