51628509

素因数分解:

$3^9\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 40

約数和(自身を含む): 80541472

約数和(自身を除く): 28912963

約数列:

[1, 3, 9, 27, 43, 61, 81, 129, 183, 243, 387, 549, 729, 1161, 1647, 2187, 2623, 3483, 4941, 6561, 7869, 10449, 14823, 19683, 23607, 31347, 44469, 70821, 94041, 133407, 212463, 282123, 400221, 637389, 846369, 1200663, 1912167, 5736501, 17209503, 51628509]

約数ペア:

[(1, 51628509), (3, 17209503), (9, 5736501), (27, 1912167), (43, 1200663), (61, 846369), (81, 637389), (129, 400221), (183, 282123), (243, 212463), (387, 133407), (549, 94041), (729, 70821), (1161, 44469), (1647, 31347), (2187, 23607), (2623, 19683), (3483, 14823), (4941, 10449), (6561, 7869)]