207289905

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{5309}}^1$

素因数の和:5473

約数の個数: 32

約数和(自身を含む): 351734400

約数和(自身を除く): 144444495

約数列:

[1, 3, 5, 15, 19, 57, 95, 137, 285, 411, 685, 2055, 2603, 5309, 7809, 13015, 15927, 26545, 39045, 79635, 100871, 302613, 504355, 727333, 1513065, 2181999, 3636665, 10909995, 13819327, 41457981, 69096635, 207289905]

約数ペア:

[(1, 207289905), (3, 69096635), (5, 41457981), (15, 13819327), (19, 10909995), (57, 3636665), (95, 2181999), (137, 1513065), (285, 727333), (411, 504355), (685, 302613), (2055, 100871), (2603, 79635), (5309, 39045), (7809, 26545), (13015, 15927)]