201612021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1733}}^1$

素因数の和:1925

約数の個数: 32

約数和(自身を含む): 306848640

約数和(自身を除く): 105236619

約数列:

[1, 3, 13, 19, 39, 57, 157, 247, 471, 741, 1733, 2041, 2983, 5199, 6123, 8949, 22529, 32927, 38779, 67587, 98781, 116337, 272081, 428051, 816243, 1284153, 3537053, 5169539, 10611159, 15508617, 67204007, 201612021]

約数ペア:

[(1, 201612021), (3, 67204007), (13, 15508617), (19, 10611159), (39, 5169539), (57, 3537053), (157, 1284153), (247, 816243), (471, 428051), (741, 272081), (1733, 116337), (2041, 98781), (2983, 67587), (5199, 38779), (6123, 32927), (8949, 22529)]