81493875

素因数分解:

$3^2\times 5^3\times {\mathrm{107}}^1\times {\mathrm{677}}^1$

素因数の和:805

約数の個数: 48

約数和(自身を含む): 148498272

約数和(自身を除く): 67004397

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 107, 125, 225, 321, 375, 535, 677, 963, 1125, 1605, 2031, 2675, 3385, 4815, 6093, 8025, 10155, 13375, 16925, 24075, 30465, 40125, 50775, 72439, 84625, 120375, 152325, 217317, 253875, 362195, 651951, 761625, 1086585, 1810975, 3259755, 5432925, 9054875, 16298775, 27164625, 81493875]

約数ペア:

[(1, 81493875), (3, 27164625), (5, 16298775), (9, 9054875), (15, 5432925), (25, 3259755), (45, 1810975), (75, 1086585), (107, 761625), (125, 651951), (225, 362195), (321, 253875), (375, 217317), (535, 152325), (677, 120375), (963, 84625), (1125, 72439), (1605, 50775), (2031, 40125), (2675, 30465), (3385, 24075), (4815, 16925), (6093, 13375), (8025, 10155)]