40505355

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 79423344

約数和(自身を除く): 38917989

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 121, 129, 165, 173, 215, 363, 387, 473, 495, 519, 605, 645, 865, 1089, 1419, 1557, 1815, 1903, 1935, 2365, 2595, 4257, 5203, 5445, 5709, 7095, 7439, 7785, 9515, 15609, 17127, 20933, 21285, 22317, 26015, 28545, 37195, 46827, 62799, 66951, 78045, 81829, 85635, 104665, 111585, 188397, 234135, 245487, 313995, 334755, 409145, 736461, 900119, 941985, 1227435, 2700357, 3682305, 4500595, 8101071, 13501785, 40505355]

約数ペア:

[(1, 40505355), (3, 13501785), (5, 8101071), (9, 4500595), (11, 3682305), (15, 2700357), (33, 1227435), (43, 941985), (45, 900119), (55, 736461), (99, 409145), (121, 334755), (129, 313995), (165, 245487), (173, 234135), (215, 188397), (363, 111585), (387, 104665), (473, 85635), (495, 81829), (519, 78045), (605, 66951), (645, 62799), (865, 46827), (1089, 37195), (1419, 28545), (1557, 26015), (1815, 22317), (1903, 21285), (1935, 20933), (2365, 17127), (2595, 15609), (4257, 9515), (5203, 7785), (5445, 7439), (5709, 7095)]