66253215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4019}}^1$

素因数の和:4191

約数の個数: 32

約数和(自身を含む): 121950720

約数和(自身を除く): 55697505

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 157, 471, 785, 1099, 2355, 3297, 4019, 5495, 12057, 16485, 20095, 28133, 60285, 84399, 140665, 421995, 630983, 1892949, 3154915, 4416881, 9464745, 13250643, 22084405, 66253215]

約数ペア:

[(1, 66253215), (3, 22084405), (5, 13250643), (7, 9464745), (15, 4416881), (21, 3154915), (35, 1892949), (105, 630983), (157, 421995), (471, 140665), (785, 84399), (1099, 60285), (2355, 28133), (3297, 20095), (4019, 16485), (5495, 12057)]