28647675

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 120

約数和(自身を含む): 63376896

約数和(自身を除く): 34729221

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 43, 45, 47, 63, 75, 81, 105, 129, 135, 141, 175, 189, 215, 225, 235, 301, 315, 329, 387, 405, 423, 525, 567, 645, 675, 705, 903, 945, 987, 1075, 1161, 1175, 1269, 1505, 1575, 1645, 1935, 2021, 2025, 2115, 2709, 2835, 2961, 3225, 3483, 3525, 3807, 4515, 4725, 4935, 5805, 6063, 6345, 7525, 8127, 8225, 8883, 9675, 10105, 10575, 13545, 14147, 14175, 14805, 17415, 18189, 19035, 22575, 24381, 24675, 26649, 29025, 30315, 31725, 40635, 42441, 44415, 50525, 54567, 67725, 70735, 74025, 87075, 90945, 95175, 121905, 127323, 133245, 151575, 163701, 203175, 212205, 222075, 272835, 353675, 381969, 454725, 609525, 636615, 666225, 818505, 1061025, 1145907, 1364175, 1909845, 3183075, 4092525, 5729535, 9549225, 28647675]

約数ペア:

[(1, 28647675), (3, 9549225), (5, 5729535), (7, 4092525), (9, 3183075), (15, 1909845), (21, 1364175), (25, 1145907), (27, 1061025), (35, 818505), (43, 666225), (45, 636615), (47, 609525), (63, 454725), (75, 381969), (81, 353675), (105, 272835), (129, 222075), (135, 212205), (141, 203175), (175, 163701), (189, 151575), (215, 133245), (225, 127323), (235, 121905), (301, 95175), (315, 90945), (329, 87075), (387, 74025), (405, 70735), (423, 67725), (525, 54567), (567, 50525), (645, 44415), (675, 42441), (705, 40635), (903, 31725), (945, 30315), (987, 29025), (1075, 26649), (1161, 24675), (1175, 24381), (1269, 22575), (1505, 19035), (1575, 18189), (1645, 17415), (1935, 14805), (2021, 14175), (2025, 14147), (2115, 13545), (2709, 10575), (2835, 10105), (2961, 9675), (3225, 8883), (3483, 8225), (3525, 8127), (3807, 7525), (4515, 6345), (4725, 6063), (4935, 5805)]