68153967

素因数分解:

$3^5\times 7^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 118110720

約数和(自身を除く): 49956753

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 103, 189, 243, 309, 389, 567, 721, 927, 1167, 1701, 2163, 2723, 2781, 3501, 6489, 8169, 8343, 10503, 19467, 24507, 25029, 31509, 40067, 58401, 73521, 94527, 120201, 175203, 220563, 280469, 360603, 661689, 841407, 1081809, 2524221, 3245427, 7572663, 9736281, 22717989, 68153967]

約数ペア:

[(1, 68153967), (3, 22717989), (7, 9736281), (9, 7572663), (21, 3245427), (27, 2524221), (63, 1081809), (81, 841407), (103, 661689), (189, 360603), (243, 280469), (309, 220563), (389, 175203), (567, 120201), (721, 94527), (927, 73521), (1167, 58401), (1701, 40067), (2163, 31509), (2723, 25029), (2781, 24507), (3501, 19467), (6489, 10503), (8169, 8343)]