16577145

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 31711680

約数和(自身を除く): 15134535

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 117, 129, 195, 215, 387, 559, 585, 645, 659, 1677, 1935, 1977, 2795, 3295, 5031, 5931, 8385, 8567, 9885, 25155, 25701, 28337, 29655, 42835, 77103, 85011, 128505, 141685, 255033, 368381, 385515, 425055, 1105143, 1275165, 1841905, 3315429, 5525715, 16577145]

約数ペア:

[(1, 16577145), (3, 5525715), (5, 3315429), (9, 1841905), (13, 1275165), (15, 1105143), (39, 425055), (43, 385515), (45, 368381), (65, 255033), (117, 141685), (129, 128505), (195, 85011), (215, 77103), (387, 42835), (559, 29655), (585, 28337), (645, 25701), (659, 25155), (1677, 9885), (1935, 8567), (1977, 8385), (2795, 5931), (3295, 5031)]