18001347

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{283}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 29772288

約数和(自身を除く): 11770941

約数列:

[1, 3, 7, 13, 21, 39, 91, 233, 273, 283, 699, 849, 1631, 1981, 3029, 3679, 4893, 5943, 9087, 11037, 21203, 25753, 63609, 65939, 77259, 197817, 461573, 857207, 1384719, 2571621, 6000449, 18001347]

約数ペア:

[(1, 18001347), (3, 6000449), (7, 2571621), (13, 1384719), (21, 857207), (39, 461573), (91, 197817), (233, 77259), (273, 65939), (283, 63609), (699, 25753), (849, 21203), (1631, 11037), (1981, 9087), (3029, 5943), (3679, 4893)]