678131811

素因数分解:

$3^3\times 7^1\times {\mathrm{563}}^1\times {\mathrm{6373}}^1$

素因数の和:6952

約数の個数: 32

約数和(自身を含む): 1150379520

約数和(自身を除く): 472247709

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 563, 1689, 3941, 5067, 6373, 11823, 15201, 19119, 35469, 44611, 57357, 106407, 133833, 172071, 401499, 1204497, 3587999, 10763997, 25115993, 32291991, 75347979, 96875973, 226043937, 678131811]

約数ペア:

[(1, 678131811), (3, 226043937), (7, 96875973), (9, 75347979), (21, 32291991), (27, 25115993), (63, 10763997), (189, 3587999), (563, 1204497), (1689, 401499), (3941, 172071), (5067, 133833), (6373, 106407), (11823, 57357), (15201, 44611), (19119, 35469)]