157280991

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{3469}}^1$

素因数の和:3623

約数の個数: 32

約数和(自身を含む): 255836160

約数和(自身を除く): 98555169

約数列:

[1, 3, 7, 17, 21, 51, 119, 127, 357, 381, 889, 2159, 2667, 3469, 6477, 10407, 15113, 24283, 45339, 58973, 72849, 176919, 412811, 440563, 1238433, 1321689, 3083941, 7489571, 9251823, 22468713, 52426997, 157280991]

約数ペア:

[(1, 157280991), (3, 52426997), (7, 22468713), (17, 9251823), (21, 7489571), (51, 3083941), (119, 1321689), (127, 1238433), (357, 440563), (381, 412811), (889, 176919), (2159, 72849), (2667, 58973), (3469, 45339), (6477, 24283), (10407, 15113)]