17880285

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 29472768

約数和(自身を除く): 11592483

約数列:

[1, 3, 5, 15, 71, 103, 163, 213, 309, 355, 489, 515, 815, 1065, 1545, 2445, 7313, 11573, 16789, 21939, 34719, 36565, 50367, 57865, 83945, 109695, 173595, 251835, 1192019, 3576057, 5960095, 17880285]

約数ペア:

[(1, 17880285), (3, 5960095), (5, 3576057), (15, 1192019), (71, 251835), (103, 173595), (163, 109695), (213, 83945), (309, 57865), (355, 50367), (489, 36565), (515, 34719), (815, 21939), (1065, 16789), (1545, 11573), (2445, 7313)]