81572715

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15233}}^1$

素因数の和:15268

約数の個数: 48

約数和(自身を含む): 171108288

約数和(自身を除く): 89535573

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 5355, 15233, 45699, 76165, 106631, 137097, 228495, 258961, 319893, 533155, 685485, 776883, 959679, 1294805, 1599465, 1812727, 2330649, 3884415, 4798395, 5438181, 9063635, 11653245, 16314543, 27190905, 81572715]

約数ペア:

[(1, 81572715), (3, 27190905), (5, 16314543), (7, 11653245), (9, 9063635), (15, 5438181), (17, 4798395), (21, 3884415), (35, 2330649), (45, 1812727), (51, 1599465), (63, 1294805), (85, 959679), (105, 776883), (119, 685485), (153, 533155), (255, 319893), (315, 258961), (357, 228495), (595, 137097), (765, 106631), (1071, 76165), (1785, 45699), (5355, 15233)]