73980855

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 150486336

約数和(自身を除く): 76505481

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 43, 45, 51, 65, 85, 117, 129, 153, 173, 195, 215, 221, 255, 387, 519, 559, 585, 645, 663, 731, 765, 865, 1105, 1557, 1677, 1935, 1989, 2193, 2249, 2595, 2795, 2941, 3315, 3655, 5031, 6579, 6747, 7439, 7785, 8385, 8823, 9503, 9945, 10965, 11245, 14705, 20241, 22317, 25155, 26469, 28509, 32895, 33735, 37195, 38233, 44115, 47515, 66951, 85527, 96707, 101205, 111585, 114699, 126463, 132345, 142545, 191165, 290121, 334755, 344097, 379389, 427635, 483535, 573495, 632315, 870363, 1138167, 1450605, 1644019, 1720485, 1896945, 4351815, 4932057, 5690835, 8220095, 14796171, 24660285, 73980855]

約数ペア:

[(1, 73980855), (3, 24660285), (5, 14796171), (9, 8220095), (13, 5690835), (15, 4932057), (17, 4351815), (39, 1896945), (43, 1720485), (45, 1644019), (51, 1450605), (65, 1138167), (85, 870363), (117, 632315), (129, 573495), (153, 483535), (173, 427635), (195, 379389), (215, 344097), (221, 334755), (255, 290121), (387, 191165), (519, 142545), (559, 132345), (585, 126463), (645, 114699), (663, 111585), (731, 101205), (765, 96707), (865, 85527), (1105, 66951), (1557, 47515), (1677, 44115), (1935, 38233), (1989, 37195), (2193, 33735), (2249, 32895), (2595, 28509), (2795, 26469), (2941, 25155), (3315, 22317), (3655, 20241), (5031, 14705), (6579, 11245), (6747, 10965), (7439, 9945), (7785, 9503), (8385, 8823)]