81218997

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{463}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 123609600

約数和(自身を除く): 42390603

約数列:

[1, 3, 9, 27, 73, 89, 219, 267, 463, 657, 801, 1389, 1971, 2403, 4167, 6497, 12501, 19491, 33799, 41207, 58473, 101397, 123621, 175419, 304191, 370863, 912573, 1112589, 3008111, 9024333, 27072999, 81218997]

約数ペア:

[(1, 81218997), (3, 27072999), (9, 9024333), (27, 3008111), (73, 1112589), (89, 912573), (219, 370863), (267, 304191), (463, 175419), (657, 123621), (801, 101397), (1389, 58473), (1971, 41207), (2403, 33799), (4167, 19491), (6497, 12501)]