90678081

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 133499520

約数和(自身を除く): 42821439

約数列:

[1, 3, 13, 39, 83, 109, 249, 257, 327, 771, 1079, 1417, 3237, 3341, 4251, 9047, 10023, 21331, 27141, 28013, 63993, 84039, 117611, 277303, 352833, 364169, 831909, 1092507, 2325079, 6975237, 30226027, 90678081]

約数ペア:

[(1, 90678081), (3, 30226027), (13, 6975237), (39, 2325079), (83, 1092507), (109, 831909), (249, 364169), (257, 352833), (327, 277303), (771, 117611), (1079, 84039), (1417, 63993), (3237, 28013), (3341, 27141), (4251, 21331), (9047, 10023)]