489700515

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{19421}}^1$

素因数の和:19511

約数の個数: 24

約数和(自身を含む): 803138544

約数和(自身を除く): 313438029

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 1681, 5043, 8405, 19421, 25215, 58263, 97105, 291315, 796261, 2388783, 3981305, 11943915, 32646701, 97940103, 163233505, 489700515]

約数ペア:

[(1, 489700515), (3, 163233505), (5, 97940103), (15, 32646701), (41, 11943915), (123, 3981305), (205, 2388783), (615, 796261), (1681, 291315), (5043, 97105), (8405, 58263), (19421, 25215)]