80971965

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{157}}^2$

素因数の和:398

約数の個数: 36

約数和(自身を含む): 143186004

約数和(自身を除く): 62214039

約数列:

[1, 3, 5, 9, 15, 45, 73, 157, 219, 365, 471, 657, 785, 1095, 1413, 2355, 3285, 7065, 11461, 24649, 34383, 57305, 73947, 103149, 123245, 171915, 221841, 369735, 515745, 1109205, 1799377, 5398131, 8996885, 16194393, 26990655, 80971965]

約数ペア:

[(1, 80971965), (3, 26990655), (5, 16194393), (9, 8996885), (15, 5398131), (45, 1799377), (73, 1109205), (157, 515745), (219, 369735), (365, 221841), (471, 171915), (657, 123245), (785, 103149), (1095, 73947), (1413, 57305), (2355, 34383), (3285, 24649), (7065, 11461)]