2017257921

素因数分解:

$3^2\times 7^2\times {\mathrm{571}}^1\times {\mathrm{8011}}^1$

素因数の和:8602

約数の個数: 36

約数和(自身を含む): 3395902224

約数和(自身を除く): 1378644303

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 571, 1713, 3997, 5139, 8011, 11991, 24033, 27979, 35973, 56077, 72099, 83937, 168231, 251811, 392539, 504693, 1177617, 3532851, 4574281, 13722843, 32019967, 41168529, 96059901, 224139769, 288179703, 672419307, 2017257921]

約数ペア:

[(1, 2017257921), (3, 672419307), (7, 288179703), (9, 224139769), (21, 96059901), (49, 41168529), (63, 32019967), (147, 13722843), (441, 4574281), (571, 3532851), (1713, 1177617), (3997, 504693), (5139, 392539), (8011, 251811), (11991, 168231), (24033, 83937), (27979, 72099), (35973, 56077)]