248058279

素因数分解:

$3^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{7069}}^1$

素因数の和:7639

約数の個数: 24

約数和(自身を含む): 410286240

約数和(自身を除く): 162227961

約数列:

[1, 3, 7, 9, 21, 63, 557, 1671, 3899, 5013, 7069, 11697, 21207, 35091, 49483, 63621, 148449, 445347, 3937433, 11812299, 27562031, 35436897, 82686093, 248058279]

約数ペア:

[(1, 248058279), (3, 82686093), (7, 35436897), (9, 27562031), (21, 11812299), (63, 3937433), (557, 445347), (1671, 148449), (3899, 63621), (5013, 49483), (7069, 35091), (11697, 21207)]