220812009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{2551}}^1$

素因数の和:2669

約数の個数: 32

約数和(自身を含む): 334169088

約数和(自身を除く): 113357079

約数列:

[1, 3, 11, 33, 43, 61, 129, 183, 473, 671, 1419, 2013, 2551, 2623, 7653, 7869, 28061, 28853, 84183, 86559, 109693, 155611, 329079, 466833, 1206623, 1711721, 3619869, 5135163, 6691273, 20073819, 73604003, 220812009]

約数ペア:

[(1, 220812009), (3, 73604003), (11, 20073819), (33, 6691273), (43, 5135163), (61, 3619869), (129, 1711721), (183, 1206623), (473, 466833), (671, 329079), (1419, 155611), (2013, 109693), (2551, 86559), (2623, 84183), (7653, 28853), (7869, 28061)]