199920171

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1\times {\mathrm{659}}^1$

素因数の和:1019

約数の個数: 32

約数和(自身を含む): 302227200

約数和(自身を除く): 102307029

約数列:

[1, 3, 11, 29, 33, 87, 317, 319, 659, 951, 957, 1977, 3487, 7249, 9193, 10461, 19111, 21747, 27579, 57333, 101123, 208903, 210221, 303369, 626709, 630663, 2297933, 6058187, 6893799, 18174561, 66640057, 199920171]

約数ペア:

[(1, 199920171), (3, 66640057), (11, 18174561), (29, 6893799), (33, 6058187), (87, 2297933), (317, 630663), (319, 626709), (659, 303369), (951, 210221), (957, 208903), (1977, 101123), (3487, 57333), (7249, 27579), (9193, 21747), (10461, 19111)]