120489621

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{301979}}^1$

素因数の和:302008

約数の個数: 16

約数和(自身を含む): 193267200

約数和(自身を除く): 72777579

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 301979, 905937, 2113853, 5737601, 6341559, 17212803, 40163207, 120489621]

約数ペア:

[(1, 120489621), (3, 40163207), (7, 17212803), (19, 6341559), (21, 5737601), (57, 2113853), (133, 905937), (399, 301979)]