56107905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^2$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 111580992

約数和(自身を除く): 55473087

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 43, 51, 85, 105, 119, 129, 215, 255, 289, 301, 357, 595, 645, 731, 867, 903, 1445, 1505, 1785, 1849, 2023, 2193, 3655, 4335, 4515, 5117, 5547, 6069, 9245, 10115, 10965, 12427, 12943, 15351, 25585, 27735, 30345, 31433, 37281, 38829, 62135, 64715, 76755, 86989, 94299, 157165, 186405, 194145, 220031, 260967, 434945, 471495, 534361, 660093, 1100155, 1304835, 1603083, 2671805, 3300465, 3740527, 8015415, 11221581, 18702635, 56107905]

約数ペア:

[(1, 56107905), (3, 18702635), (5, 11221581), (7, 8015415), (15, 3740527), (17, 3300465), (21, 2671805), (35, 1603083), (43, 1304835), (51, 1100155), (85, 660093), (105, 534361), (119, 471495), (129, 434945), (215, 260967), (255, 220031), (289, 194145), (301, 186405), (357, 157165), (595, 94299), (645, 86989), (731, 76755), (867, 64715), (903, 62135), (1445, 38829), (1505, 37281), (1785, 31433), (1849, 30345), (2023, 27735), (2193, 25585), (3655, 15351), (4335, 12943), (4515, 12427), (5117, 10965), (5547, 10115), (6069, 9245)]