81703818

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9133}}^1$

素因数の和:9219

約数の個数: 48

約数和(自身を含む): 205186176

約数和(自身を除く): 123482358

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2982, 4473, 8946, 9133, 18266, 27399, 54798, 63931, 82197, 127862, 164394, 191793, 383586, 575379, 648443, 1150758, 1296886, 1945329, 3890658, 4539101, 5835987, 9078202, 11671974, 13617303, 27234606, 40851909, 81703818]

約数ペア:

[(1, 81703818), (2, 40851909), (3, 27234606), (6, 13617303), (7, 11671974), (9, 9078202), (14, 5835987), (18, 4539101), (21, 3890658), (42, 1945329), (63, 1296886), (71, 1150758), (126, 648443), (142, 575379), (213, 383586), (426, 191793), (497, 164394), (639, 127862), (994, 82197), (1278, 63931), (1491, 54798), (2982, 27399), (4473, 18266), (8946, 9133)]