645999597

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{8191}}^1$

素因数の和:8350

約数の個数: 32

約数和(自身を含む): 1006632960

約数和(自身を除く): 360633363

約数列:

[1, 3, 9, 23, 27, 69, 127, 207, 381, 621, 1143, 2921, 3429, 8191, 8763, 24573, 26289, 73719, 78867, 188393, 221157, 565179, 1040257, 1695537, 3120771, 5086611, 9362313, 23925911, 28086939, 71777733, 215333199, 645999597]

約数ペア:

[(1, 645999597), (3, 215333199), (9, 71777733), (23, 28086939), (27, 23925911), (69, 9362313), (127, 5086611), (207, 3120771), (381, 1695537), (621, 1040257), (1143, 565179), (2921, 221157), (3429, 188393), (8191, 78867), (8763, 73719), (24573, 26289)]