478922721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{911}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 703918080

約数和(自身を除く): 224995359

約数列:

[1, 3, 19, 23, 57, 69, 401, 437, 911, 1203, 1311, 2733, 7619, 9223, 17309, 20953, 22857, 27669, 51927, 62859, 175237, 365311, 398107, 525711, 1095933, 1194321, 6940909, 8402153, 20822727, 25206459, 159640907, 478922721]

約数ペア:

[(1, 478922721), (3, 159640907), (19, 25206459), (23, 20822727), (57, 8402153), (69, 6940909), (401, 1194321), (437, 1095933), (911, 525711), (1203, 398107), (1311, 365311), (2733, 175237), (7619, 62859), (9223, 51927), (17309, 27669), (20953, 22857)]