81023187

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{571}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 128494080

約数和(自身を除く): 47470893

約数列:

[1, 3, 7, 21, 29, 87, 203, 233, 571, 609, 699, 1631, 1713, 3997, 4893, 6757, 11991, 16559, 20271, 47299, 49677, 115913, 133043, 141897, 347739, 399129, 931301, 2793903, 3858247, 11574741, 27007729, 81023187]

約数ペア:

[(1, 81023187), (3, 27007729), (7, 11574741), (21, 3858247), (29, 2793903), (87, 931301), (203, 399129), (233, 347739), (571, 141897), (609, 133043), (699, 115913), (1631, 49677), (1713, 47299), (3997, 20271), (4893, 16559), (6757, 11991)]