15521409

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 24393600

約数和(自身を除く): 8872191

約数列:

[1, 3, 9, 27, 29, 43, 87, 129, 261, 387, 461, 783, 1161, 1247, 1383, 3741, 4149, 11223, 12447, 13369, 19823, 33669, 40107, 59469, 120321, 178407, 360963, 535221, 574867, 1724601, 5173803, 15521409]

約数ペア:

[(1, 15521409), (3, 5173803), (9, 1724601), (27, 574867), (29, 535221), (43, 360963), (87, 178407), (129, 120321), (261, 59469), (387, 40107), (461, 33669), (783, 19823), (1161, 13369), (1247, 12447), (1383, 11223), (3741, 4149)]