61680905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{307}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 87550848

約数和(自身を除く): 25869943

約数列:

[1, 5, 11, 13, 55, 65, 143, 281, 307, 715, 1405, 1535, 3091, 3377, 3653, 3991, 15455, 16885, 18265, 19955, 40183, 43901, 86267, 200915, 219505, 431335, 948937, 1121471, 4744685, 5607355, 12336181, 61680905]

約数ペア:

[(1, 61680905), (5, 12336181), (11, 5607355), (13, 4744685), (55, 1121471), (65, 948937), (143, 431335), (281, 219505), (307, 200915), (715, 86267), (1405, 43901), (1535, 40183), (3091, 19955), (3377, 18265), (3653, 16885), (3991, 15455)]