67642881

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 98242560

約数和(自身を除く): 30599679

約数列:

[1, 3, 17, 51, 79, 103, 163, 237, 309, 489, 1343, 1751, 2771, 4029, 5253, 8137, 8313, 12877, 16789, 24411, 38631, 50367, 138329, 218909, 285413, 414987, 656727, 856239, 1326331, 3978993, 22547627, 67642881]

約数ペア:

[(1, 67642881), (3, 22547627), (17, 3978993), (51, 1326331), (79, 856239), (103, 656727), (163, 414987), (237, 285413), (309, 218909), (489, 138329), (1343, 50367), (1751, 38631), (2771, 24411), (4029, 16789), (5253, 12877), (8137, 8313)]