129121131

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 187264000

約数和(自身を除く): 58142869

約数列:

[1, 3, 19, 43, 57, 129, 139, 379, 417, 817, 1137, 2451, 2641, 5977, 7201, 7923, 16297, 17931, 21603, 48891, 52681, 113563, 158043, 309643, 340689, 928929, 1000939, 2265283, 3002817, 6795849, 43040377, 129121131]

約数ペア:

[(1, 129121131), (3, 43040377), (19, 6795849), (43, 3002817), (57, 2265283), (129, 1000939), (139, 928929), (379, 340689), (417, 309643), (817, 158043), (1137, 113563), (2451, 52681), (2641, 48891), (5977, 21603), (7201, 17931), (7923, 16297)]