81205506

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{12497}}^1$

素因数の和:12543

約数の個数: 36

約数和(自身を含む): 185707782

約数和(自身を除く): 104502276

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 361, 722, 1083, 2166, 3249, 6498, 12497, 24994, 37491, 74982, 112473, 224946, 237443, 474886, 712329, 1424658, 2136987, 4273974, 4511417, 9022834, 13534251, 27068502, 40602753, 81205506]

約数ペア:

[(1, 81205506), (2, 40602753), (3, 27068502), (6, 13534251), (9, 9022834), (18, 4511417), (19, 4273974), (38, 2136987), (57, 1424658), (114, 712329), (171, 474886), (342, 237443), (361, 224946), (722, 112473), (1083, 74982), (2166, 37491), (3249, 24994), (6498, 12497)]