645641073

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40507}}^1$

素因数の和:40554

約数の個数: 48

約数和(自身を含む): 1213295616

約数和(自身を除く): 567654543

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 1449, 1771, 2277, 5313, 15939, 40507, 121521, 283549, 364563, 445577, 850647, 931661, 1336731, 2551941, 2794983, 3119039, 4010193, 6521627, 8384949, 9357117, 10248271, 19564881, 28071351, 30744813, 58694643, 71737897, 92234439, 215213691, 645641073]

約数ペア:

[(1, 645641073), (3, 215213691), (7, 92234439), (9, 71737897), (11, 58694643), (21, 30744813), (23, 28071351), (33, 19564881), (63, 10248271), (69, 9357117), (77, 8384949), (99, 6521627), (161, 4010193), (207, 3119039), (231, 2794983), (253, 2551941), (483, 1336731), (693, 931661), (759, 850647), (1449, 445577), (1771, 364563), (2277, 283549), (5313, 121521), (15939, 40507)]