1321045509

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3310891}}^1$

素因数の和:3310920

約数の個数: 16

約数和(自身を含む): 2118970880

約数和(自身を除く): 797925371

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 3310891, 9932673, 23176237, 62906929, 69528711, 188720787, 440348503, 1321045509]

約数ペア:

[(1, 1321045509), (3, 440348503), (7, 188720787), (19, 69528711), (21, 62906929), (57, 23176237), (133, 9932673), (399, 3310891)]