72788247

素因数分解:

$3^3\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1091}}^1$

素因数の和:1460

約数の個数: 32

約数和(自身を含む): 123701760

約数和(自身を除く): 50913513

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 353, 1059, 1091, 2471, 3177, 3273, 7413, 7637, 9531, 9819, 22239, 22911, 29457, 66717, 68733, 206199, 385123, 1155369, 2695861, 3466107, 8087583, 10398321, 24262749, 72788247]

約数ペア:

[(1, 72788247), (3, 24262749), (7, 10398321), (9, 8087583), (21, 3466107), (27, 2695861), (63, 1155369), (189, 385123), (353, 206199), (1059, 68733), (1091, 66717), (2471, 29457), (3177, 22911), (3273, 22239), (7413, 9819), (7637, 9531)]