255622689

素因数分解:

$3^3\times 7^1\times {\mathrm{239}}^1\times {\mathrm{5659}}^1$

素因数の和:5914

約数の個数: 32

約数和(自身を含む): 434688000

約数和(自身を除く): 179065311

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 239, 717, 1673, 2151, 5019, 5659, 6453, 15057, 16977, 39613, 45171, 50931, 118839, 152793, 356517, 1069551, 1352501, 4057503, 9467507, 12172509, 28402521, 36517527, 85207563, 255622689]

約数ペア:

[(1, 255622689), (3, 85207563), (7, 36517527), (9, 28402521), (21, 12172509), (27, 9467507), (63, 4057503), (189, 1352501), (239, 1069551), (717, 356517), (1673, 152793), (2151, 118839), (5019, 50931), (5659, 45171), (6453, 39613), (15057, 16977)]