780944655

素因数分解:

$3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1\times {\mathrm{659}}^1$

素因数の和:1263

約数の個数: 32

約数和(自身を含む): 1260864000

約数和(自身を除く): 479919345

約数列:

[1, 3, 5, 15, 199, 397, 597, 659, 995, 1191, 1977, 1985, 2985, 3295, 5955, 9885, 79003, 131141, 237009, 261623, 393423, 395015, 655705, 784869, 1185045, 1308115, 1967115, 3924345, 52062977, 156188931, 260314885, 780944655]

約数ペア:

[(1, 780944655), (3, 260314885), (5, 156188931), (15, 52062977), (199, 3924345), (397, 1967115), (597, 1308115), (659, 1185045), (995, 784869), (1191, 655705), (1977, 395015), (1985, 393423), (2985, 261623), (3295, 237009), (5955, 131141), (9885, 79003)]