131028351

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2639

約数の個数: 32

約数和(自身を含む): 196454400

約数和(自身を除く): 65426049

約数列:

[1, 3, 19, 29, 31, 57, 87, 93, 551, 589, 899, 1653, 1767, 2557, 2697, 7671, 17081, 48583, 51243, 74153, 79267, 145749, 222459, 237801, 1408907, 1506073, 2298743, 4226721, 4518219, 6896229, 43676117, 131028351]

約数ペア:

[(1, 131028351), (3, 43676117), (19, 6896229), (29, 4518219), (31, 4226721), (57, 2298743), (87, 1506073), (93, 1408907), (551, 237801), (589, 222459), (899, 145749), (1653, 79267), (1767, 74153), (2557, 51243), (2697, 48583), (7671, 17081)]