87118227

素因数分解:

$3^3\times 7^3\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 157440000

約数和(自身を除く): 70321773

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 343, 409, 441, 483, 621, 1029, 1127, 1227, 1323, 1449, 2863, 3087, 3381, 3681, 4347, 7889, 8589, 9261, 9407, 10143, 11043, 20041, 23667, 25767, 28221, 30429, 60123, 65849, 71001, 77301, 84663, 140287, 180369, 197547, 213003, 253989, 420861, 460943, 541107, 592641, 1262583, 1382829, 1777923, 3226601, 3787749, 4148487, 9679803, 12445461, 29039409, 87118227]

約数ペア:

[(1, 87118227), (3, 29039409), (7, 12445461), (9, 9679803), (21, 4148487), (23, 3787749), (27, 3226601), (49, 1777923), (63, 1382829), (69, 1262583), (147, 592641), (161, 541107), (189, 460943), (207, 420861), (343, 253989), (409, 213003), (441, 197547), (483, 180369), (621, 140287), (1029, 84663), (1127, 77301), (1227, 71001), (1323, 65849), (1449, 60123), (2863, 30429), (3087, 28221), (3381, 25767), (3681, 23667), (4347, 20041), (7889, 11043), (8589, 10143), (9261, 9407)]