15697942965

素因数分解:

$3^4\times 5^1\times {\mathrm{38760353}}^1$

素因数の和:38760370

約数の個数: 20

約数和(自身を含む): 28140017004

約数和(自身を除く): 12442074039

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 38760353, 116281059, 193801765, 348843177, 581405295, 1046529531, 1744215885, 3139588593, 5232647655, 15697942965]

約数ペア:

[(1, 15697942965), (3, 5232647655), (5, 3139588593), (9, 1744215885), (15, 1046529531), (27, 581405295), (45, 348843177), (81, 193801765), (135, 116281059), (405, 38760353)]