1990291215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12062371}}^1$

素因数の和:12062390

約数の個数: 16

約数和(自身を含む): 3473963136

約数和(自身を除く): 1483671921

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 12062371, 36187113, 60311855, 132686081, 180935565, 398058243, 663430405, 1990291215]

約数ペア:

[(1, 1990291215), (3, 663430405), (5, 398058243), (11, 180935565), (15, 132686081), (33, 60311855), (55, 36187113), (165, 12062371)]