2756985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1$

素因数の和:75

約数の個数: 72

約数和(自身を含む): 5822208

約数和(自身を除く): 3065223

約数列:

[1, 3, 5, 7, 11, 15, 21, 31, 33, 35, 49, 55, 77, 93, 105, 121, 147, 155, 165, 217, 231, 245, 341, 363, 385, 465, 539, 605, 651, 735, 847, 1023, 1085, 1155, 1519, 1617, 1705, 1815, 2387, 2541, 2695, 3255, 3751, 4235, 4557, 5115, 5929, 7161, 7595, 8085, 11253, 11935, 12705, 16709, 17787, 18755, 22785, 26257, 29645, 35805, 50127, 56265, 78771, 83545, 88935, 131285, 183799, 250635, 393855, 551397, 918995, 2756985]

約数ペア:

[(1, 2756985), (3, 918995), (5, 551397), (7, 393855), (11, 250635), (15, 183799), (21, 131285), (31, 88935), (33, 83545), (35, 78771), (49, 56265), (55, 50127), (77, 35805), (93, 29645), (105, 26257), (121, 22785), (147, 18755), (155, 17787), (165, 16709), (217, 12705), (231, 11935), (245, 11253), (341, 8085), (363, 7595), (385, 7161), (465, 5929), (539, 5115), (605, 4557), (651, 4235), (735, 3751), (847, 3255), (1023, 2695), (1085, 2541), (1155, 2387), (1519, 1815), (1617, 1705)]