28074813

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 42282240

約数和(自身を除く): 14207427

約数列:

[1, 3, 13, 29, 39, 87, 103, 241, 309, 377, 723, 1131, 1339, 2987, 3133, 4017, 6989, 8961, 9399, 20967, 24823, 38831, 74469, 90857, 116493, 272571, 322699, 719867, 968097, 2159601, 9358271, 28074813]

約数ペア:

[(1, 28074813), (3, 9358271), (13, 2159601), (29, 968097), (39, 719867), (87, 322699), (103, 272571), (241, 116493), (309, 90857), (377, 74469), (723, 38831), (1131, 24823), (1339, 20967), (2987, 9399), (3133, 8961), (4017, 6989)]