16420293

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 25622400

約数和(自身を除く): 9202107

約数列:

[1, 3, 9, 27, 29, 67, 87, 201, 261, 313, 603, 783, 939, 1809, 1943, 2817, 5829, 8451, 9077, 17487, 20971, 27231, 52461, 62913, 81693, 188739, 245079, 566217, 608159, 1824477, 5473431, 16420293]

約数ペア:

[(1, 16420293), (3, 5473431), (9, 1824477), (27, 608159), (29, 566217), (67, 245079), (87, 188739), (201, 81693), (261, 62913), (313, 52461), (603, 27231), (783, 20971), (939, 17487), (1809, 9077), (1943, 8451), (2817, 5829)]