28681297203

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{127301}}^1$

素因数の和:127479

約数の個数: 32

約数和(自身を含む): 42345737280

約数和(自身を除く): 13664440077

約数列:

[1, 3, 13, 39, 53, 109, 159, 327, 689, 1417, 2067, 4251, 5777, 17331, 75101, 127301, 225303, 381903, 1654913, 4964739, 6746953, 13875809, 20240859, 41627427, 87710389, 180385517, 263131167, 541156551, 735417877, 2206253631, 9560432401, 28681297203]

約数ペア:

[(1, 28681297203), (3, 9560432401), (13, 2206253631), (39, 735417877), (53, 541156551), (109, 263131167), (159, 180385517), (327, 87710389), (689, 41627427), (1417, 20240859), (2067, 13875809), (4251, 6746953), (5777, 4964739), (17331, 1654913), (75101, 381903), (127301, 225303)]