72090291

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{761}}^1$

素因数の和:1131

約数の個数: 32

約数和(自身を含む): 118798848

約数和(自身を除く): 46708557

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 347, 761, 1041, 2283, 2429, 4511, 5327, 7287, 9893, 13533, 15981, 29679, 31577, 69251, 94731, 207753, 264067, 792201, 1848469, 3432871, 5545407, 10298613, 24030097, 72090291]

約数ペア:

[(1, 72090291), (3, 24030097), (7, 10298613), (13, 5545407), (21, 3432871), (39, 1848469), (91, 792201), (273, 264067), (347, 207753), (761, 94731), (1041, 69251), (2283, 31577), (2429, 29679), (4511, 15981), (5327, 13533), (7287, 9893)]