72128355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{769}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 128509920

約数和(自身を除く): 56381565

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 169, 185, 195, 481, 507, 555, 769, 845, 1443, 2307, 2405, 2535, 3845, 6253, 7215, 9997, 11535, 18759, 28453, 29991, 31265, 49985, 85359, 93795, 129961, 142265, 149955, 369889, 389883, 426795, 649805, 1109667, 1849445, 1949415, 4808557, 5548335, 14425671, 24042785, 72128355]

約数ペア:

[(1, 72128355), (3, 24042785), (5, 14425671), (13, 5548335), (15, 4808557), (37, 1949415), (39, 1849445), (65, 1109667), (111, 649805), (169, 426795), (185, 389883), (195, 369889), (481, 149955), (507, 142265), (555, 129961), (769, 93795), (845, 85359), (1443, 49985), (2307, 31265), (2405, 29991), (2535, 28453), (3845, 18759), (6253, 11535), (7215, 9997)]