78817455

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2741}}^1$

素因数の和:2829

約数の個数: 40

約数和(自身を含む): 143329824

約数和(自身を除く): 64512369

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 2741, 3195, 5751, 8223, 9585, 13705, 24669, 28755, 41115, 74007, 123345, 194611, 222021, 370035, 583833, 973055, 1110105, 1751499, 2919165, 5254497, 8757495, 15763491, 26272485, 78817455]

約数ペア:

[(1, 78817455), (3, 26272485), (5, 15763491), (9, 8757495), (15, 5254497), (27, 2919165), (45, 1751499), (71, 1110105), (81, 973055), (135, 583833), (213, 370035), (355, 222021), (405, 194611), (639, 123345), (1065, 74007), (1917, 41115), (2741, 28755), (3195, 24669), (5751, 13705), (8223, 9585)]