15800103

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 27046656

約数和(自身を除く): 11246553

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 81, 99, 207, 243, 253, 257, 297, 621, 759, 771, 891, 1863, 2277, 2313, 2673, 2827, 5589, 5911, 6831, 6939, 8481, 17733, 20493, 20817, 25443, 53199, 61479, 62451, 65021, 76329, 159597, 195063, 228987, 478791, 585189, 686961, 1436373, 1755567, 5266701, 15800103]

約数ペア:

[(1, 15800103), (3, 5266701), (9, 1755567), (11, 1436373), (23, 686961), (27, 585189), (33, 478791), (69, 228987), (81, 195063), (99, 159597), (207, 76329), (243, 65021), (253, 62451), (257, 61479), (297, 53199), (621, 25443), (759, 20817), (771, 20493), (891, 17733), (1863, 8481), (2277, 6939), (2313, 6831), (2673, 5911), (2827, 5589)]