389636973

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:336

約数の個数: 80

約数和(自身を含む): 667408896

約数和(自身を除く): 277771923

約数列:

[1, 3, 9, 11, 27, 33, 37, 53, 81, 99, 111, 159, 223, 297, 333, 407, 477, 583, 669, 891, 999, 1221, 1431, 1749, 1961, 2007, 2453, 2997, 3663, 4293, 5247, 5883, 6021, 7359, 8251, 10989, 11819, 15741, 17649, 18063, 21571, 22077, 24753, 32967, 35457, 47223, 52947, 64713, 66231, 74259, 90761, 106371, 130009, 158841, 194139, 198693, 222777, 272283, 319113, 390027, 437303, 582417, 668331, 816849, 957339, 1170081, 1311909, 1747251, 2450547, 3510243, 3935727, 4810333, 7351641, 10530729, 11807181, 14430999, 35421543, 43292997, 129878991, 389636973]

約数ペア:

[(1, 389636973), (3, 129878991), (9, 43292997), (11, 35421543), (27, 14430999), (33, 11807181), (37, 10530729), (53, 7351641), (81, 4810333), (99, 3935727), (111, 3510243), (159, 2450547), (223, 1747251), (297, 1311909), (333, 1170081), (407, 957339), (477, 816849), (583, 668331), (669, 582417), (891, 437303), (999, 390027), (1221, 319113), (1431, 272283), (1749, 222777), (1961, 198693), (2007, 194139), (2453, 158841), (2997, 130009), (3663, 106371), (4293, 90761), (5247, 74259), (5883, 66231), (6021, 64713), (7359, 52947), (8251, 47223), (10989, 35457), (11819, 32967), (15741, 24753), (17649, 22077), (18063, 21571)]