81276405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{45533}}^1$

素因数の和:45565

約数の個数: 32

約数和(自身を含む): 157365504

約数和(自身を除く): 76089099

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 45533, 136599, 227665, 318731, 682995, 774061, 956193, 1593655, 2322183, 3870305, 4780965, 5418427, 11610915, 16255281, 27092135, 81276405]

約数ペア:

[(1, 81276405), (3, 27092135), (5, 16255281), (7, 11610915), (15, 5418427), (17, 4780965), (21, 3870305), (35, 2322183), (51, 1593655), (85, 956193), (105, 774061), (119, 682995), (255, 318731), (357, 227665), (595, 136599), (1785, 45533)]