12821655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 27122688

約数和(自身を除く): 14301033

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 51, 55, 77, 85, 105, 119, 165, 187, 231, 255, 357, 385, 561, 595, 653, 935, 1155, 1309, 1785, 1959, 2805, 3265, 3927, 4571, 6545, 7183, 9795, 11101, 13713, 19635, 21549, 22855, 33303, 35915, 50281, 55505, 68565, 77707, 107745, 122111, 150843, 166515, 233121, 251405, 366333, 388535, 610555, 754215, 854777, 1165605, 1831665, 2564331, 4273885, 12821655]

約数ペア:

[(1, 12821655), (3, 4273885), (5, 2564331), (7, 1831665), (11, 1165605), (15, 854777), (17, 754215), (21, 610555), (33, 388535), (35, 366333), (51, 251405), (55, 233121), (77, 166515), (85, 150843), (105, 122111), (119, 107745), (165, 77707), (187, 68565), (231, 55505), (255, 50281), (357, 35915), (385, 33303), (561, 22855), (595, 21549), (653, 19635), (935, 13713), (1155, 11101), (1309, 9795), (1785, 7183), (1959, 6545), (2805, 4571), (3265, 3927)]