68115735

素因数分解:

$3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1543}}^1$

素因数の和:1669

約数の個数: 40

約数和(自身を含む): 123303840

約数和(自身を除く): 55188105

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 327, 405, 545, 981, 1543, 1635, 2943, 4629, 4905, 7715, 8829, 13887, 14715, 23145, 41661, 44145, 69435, 124983, 168187, 208305, 504561, 624915, 840935, 1513683, 2522805, 4541049, 7568415, 13623147, 22705245, 68115735]

約数ペア:

[(1, 68115735), (3, 22705245), (5, 13623147), (9, 7568415), (15, 4541049), (27, 2522805), (45, 1513683), (81, 840935), (109, 624915), (135, 504561), (327, 208305), (405, 168187), (545, 124983), (981, 69435), (1543, 44145), (1635, 41661), (2943, 23145), (4629, 14715), (4905, 13887), (7715, 8829)]