7985991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 12418560

約数和(自身を除く): 4432569

約数列:

[1, 3, 13, 23, 29, 39, 69, 87, 299, 307, 377, 667, 897, 921, 1131, 2001, 3991, 7061, 8671, 8903, 11973, 21183, 26013, 26709, 91793, 115739, 204769, 275379, 347217, 614307, 2661997, 7985991]

約数ペア:

[(1, 7985991), (3, 2661997), (13, 614307), (23, 347217), (29, 275379), (39, 204769), (69, 115739), (87, 91793), (299, 26709), (307, 26013), (377, 21183), (667, 11973), (897, 8903), (921, 8671), (1131, 7061), (2001, 3991)]