251989077

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{65983}}^1$

素因数の和:66072

約数の個数: 16

約数和(自身を含む): 358952960

約数和(自身を除く): 106963883

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 65983, 197949, 1253677, 3761031, 4420861, 13262583, 83996359, 251989077]

約数ペア:

[(1, 251989077), (3, 83996359), (19, 13262583), (57, 4420861), (67, 3761031), (201, 1253677), (1273, 197949), (3819, 65983)]