161780913

素因数分解:

$3^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{5273}}^1$

素因数の和:5773

約数の個数: 24

約数和(自身を含む): 267666048

約数和(自身を除く): 105885135

約数列:

[1, 3, 7, 9, 21, 63, 487, 1461, 3409, 4383, 5273, 10227, 15819, 30681, 36911, 47457, 110733, 332199, 2567951, 7703853, 17975657, 23111559, 53926971, 161780913]

約数ペア:

[(1, 161780913), (3, 53926971), (7, 23111559), (9, 17975657), (21, 7703853), (63, 2567951), (487, 332199), (1461, 110733), (3409, 47457), (4383, 36911), (5273, 30681), (10227, 15819)]