31006605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 59424768

約数和(自身を除く): 28418163

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 61, 103, 105, 141, 183, 235, 305, 309, 329, 427, 515, 705, 721, 915, 987, 1281, 1545, 1645, 2135, 2163, 2867, 3605, 4841, 4935, 6283, 6405, 8601, 10815, 14335, 14523, 18849, 20069, 24205, 31415, 33887, 43005, 43981, 60207, 72615, 94245, 100345, 101661, 131943, 169435, 219905, 295301, 301035, 508305, 659715, 885903, 1476505, 2067107, 4429515, 6201321, 10335535, 31006605]

約数ペア:

[(1, 31006605), (3, 10335535), (5, 6201321), (7, 4429515), (15, 2067107), (21, 1476505), (35, 885903), (47, 659715), (61, 508305), (103, 301035), (105, 295301), (141, 219905), (183, 169435), (235, 131943), (305, 101661), (309, 100345), (329, 94245), (427, 72615), (515, 60207), (705, 43981), (721, 43005), (915, 33887), (987, 31415), (1281, 24205), (1545, 20069), (1645, 18849), (2135, 14523), (2163, 14335), (2867, 10815), (3605, 8601), (4841, 6405), (4935, 6283)]