79780905

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4057}}^1$

素因数の和:4110

約数の個数: 48

約数和(自身を含む): 151931520

約数和(自身を除く): 72150615

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 95, 115, 171, 207, 285, 345, 437, 855, 1035, 1311, 2185, 3933, 4057, 6555, 12171, 19665, 20285, 36513, 60855, 77083, 93311, 182565, 231249, 279933, 385415, 466555, 693747, 839799, 1156245, 1399665, 1772909, 3468735, 4198995, 5318727, 8864545, 15956181, 26593635, 79780905]

約数ペア:

[(1, 79780905), (3, 26593635), (5, 15956181), (9, 8864545), (15, 5318727), (19, 4198995), (23, 3468735), (45, 1772909), (57, 1399665), (69, 1156245), (95, 839799), (115, 693747), (171, 466555), (207, 385415), (285, 279933), (345, 231249), (437, 182565), (855, 93311), (1035, 77083), (1311, 60855), (2185, 36513), (3933, 20285), (4057, 19665), (6555, 12171)]