9901395

素因数分解:

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

素因数の和:121

約数の個数: 72

約数和(自身を含む): 21262176

約数和(自身を除く): 11360781

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 43, 45, 51, 63, 85, 105, 119, 129, 153, 215, 255, 301, 315, 357, 387, 595, 645, 731, 765, 903, 1071, 1505, 1785, 1849, 1935, 2193, 2709, 3655, 4515, 5117, 5355, 5547, 6579, 9245, 10965, 12943, 13545, 15351, 16641, 25585, 27735, 31433, 32895, 38829, 46053, 64715, 76755, 83205, 94299, 116487, 157165, 194145, 220031, 230265, 282897, 471495, 582435, 660093, 1100155, 1414485, 1980279, 3300465, 9901395]

約数ペア:

[(1, 9901395), (3, 3300465), (5, 1980279), (7, 1414485), (9, 1100155), (15, 660093), (17, 582435), (21, 471495), (35, 282897), (43, 230265), (45, 220031), (51, 194145), (63, 157165), (85, 116487), (105, 94299), (119, 83205), (129, 76755), (153, 64715), (215, 46053), (255, 38829), (301, 32895), (315, 31433), (357, 27735), (387, 25585), (595, 16641), (645, 15351), (731, 13545), (765, 12943), (903, 10965), (1071, 9245), (1505, 6579), (1785, 5547), (1849, 5355), (1935, 5117), (2193, 4515), (2709, 3655)]