81407865

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{10069}}^1$

素因数の和:10102

約数の個数: 48

約数和(自身を含む): 165309120

約数和(自身を除く): 83901255

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 385, 539, 735, 1155, 1617, 2695, 8085, 10069, 30207, 50345, 70483, 110759, 151035, 211449, 332277, 352415, 493381, 553795, 775313, 1057245, 1480143, 1661385, 2325939, 2466905, 3876565, 5427191, 7400715, 11629695, 16281573, 27135955, 81407865]

約数ペア:

[(1, 81407865), (3, 27135955), (5, 16281573), (7, 11629695), (11, 7400715), (15, 5427191), (21, 3876565), (33, 2466905), (35, 2325939), (49, 1661385), (55, 1480143), (77, 1057245), (105, 775313), (147, 553795), (165, 493381), (231, 352415), (245, 332277), (385, 211449), (539, 151035), (735, 110759), (1155, 70483), (1617, 50345), (2695, 30207), (8085, 10069)]