7642863

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 12038400

約数和(自身を除く): 4395537

約数列:

[1, 3, 9, 27, 29, 43, 87, 129, 227, 261, 387, 681, 783, 1161, 1247, 2043, 3741, 6129, 6583, 9761, 11223, 19749, 29283, 33669, 59247, 87849, 177741, 263547, 283069, 849207, 2547621, 7642863]

約数ペア:

[(1, 7642863), (3, 2547621), (9, 849207), (27, 283069), (29, 263547), (43, 177741), (87, 87849), (129, 59247), (227, 33669), (261, 29283), (387, 19749), (681, 11223), (783, 9761), (1161, 6583), (1247, 6129), (2043, 3741)]