18311157081

素因数分解:

$3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1\times {\mathrm{2551}}^1$

素因数の和:2963

約数の個数: 64

約数和(自身を含む): 31339376640

約数和(自身を除く): 13028219559

約数列:

[1, 3, 7, 9, 21, 27, 63, 163, 189, 233, 489, 699, 1141, 1467, 1631, 2097, 2551, 3423, 4401, 4893, 6291, 7653, 10269, 14679, 17857, 22959, 30807, 37979, 44037, 53571, 68877, 113937, 160713, 265853, 341811, 415813, 482139, 594383, 797559, 1025433, 1247439, 1783149, 2392677, 2910691, 3742317, 4160681, 5349447, 7178031, 8732073, 11226951, 12482043, 16048341, 26196219, 37446129, 78588657, 96884429, 112338387, 290653287, 678191003, 871959861, 2034573009, 2615879583, 6103719027, 18311157081]

約数ペア:

[(1, 18311157081), (3, 6103719027), (7, 2615879583), (9, 2034573009), (21, 871959861), (27, 678191003), (63, 290653287), (163, 112338387), (189, 96884429), (233, 78588657), (489, 37446129), (699, 26196219), (1141, 16048341), (1467, 12482043), (1631, 11226951), (2097, 8732073), (2551, 7178031), (3423, 5349447), (4401, 4160681), (4893, 3742317), (6291, 2910691), (7653, 2392677), (10269, 1783149), (14679, 1247439), (17857, 1025433), (22959, 797559), (30807, 594383), (37979, 482139), (44037, 415813), (53571, 341811), (68877, 265853), (113937, 160713)]