31331286

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{3947}}^1$

素因数の和:3975

約数の個数: 60

約数和(自身を含む): 81688068

約数和(自身を除く): 50356782

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 378, 441, 567, 882, 1134, 1323, 2646, 3947, 3969, 7894, 7938, 11841, 23682, 27629, 35523, 55258, 71046, 82887, 106569, 165774, 193403, 213138, 248661, 319707, 386806, 497322, 580209, 639414, 745983, 1160418, 1491966, 1740627, 2237949, 3481254, 4475898, 5221881, 10443762, 15665643, 31331286]

約数ペア:

[(1, 31331286), (2, 15665643), (3, 10443762), (6, 5221881), (7, 4475898), (9, 3481254), (14, 2237949), (18, 1740627), (21, 1491966), (27, 1160418), (42, 745983), (49, 639414), (54, 580209), (63, 497322), (81, 386806), (98, 319707), (126, 248661), (147, 213138), (162, 193403), (189, 165774), (294, 106569), (378, 82887), (441, 71046), (567, 55258), (882, 35523), (1134, 27629), (1323, 23682), (2646, 11841), (3947, 7938), (3969, 7894)]