28591941

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 48427200

約数和(自身を除く): 19835259

約数列:

[1, 3, 7, 19, 21, 29, 49, 57, 87, 133, 147, 203, 353, 399, 551, 609, 931, 1059, 1421, 1653, 2471, 2793, 3857, 4263, 6707, 7413, 10237, 11571, 17297, 20121, 26999, 30711, 46949, 51891, 71659, 80997, 140847, 194503, 214977, 328643, 501613, 583509, 985929, 1361521, 1504839, 4084563, 9530647, 28591941]

約数ペア:

[(1, 28591941), (3, 9530647), (7, 4084563), (19, 1504839), (21, 1361521), (29, 985929), (49, 583509), (57, 501613), (87, 328643), (133, 214977), (147, 194503), (203, 140847), (353, 80997), (399, 71659), (551, 51891), (609, 46949), (931, 30711), (1059, 26999), (1421, 20121), (1653, 17297), (2471, 11571), (2793, 10237), (3857, 7413), (4263, 6707)]