81157923

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 151756800

約数和(自身を除く): 70598877

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 103, 189, 231, 297, 309, 379, 693, 721, 927, 1133, 1137, 2079, 2163, 2653, 2781, 3399, 3411, 4169, 6489, 7931, 7959, 10197, 10233, 12507, 19467, 23793, 23877, 29183, 30591, 37521, 39037, 71379, 71631, 87549, 112563, 117111, 214137, 262647, 273259, 351333, 429407, 787941, 819777, 1053999, 1288221, 2459331, 3005849, 3864663, 7377993, 9017547, 11593989, 27052641, 81157923]

約数ペア:

[(1, 81157923), (3, 27052641), (7, 11593989), (9, 9017547), (11, 7377993), (21, 3864663), (27, 3005849), (33, 2459331), (63, 1288221), (77, 1053999), (99, 819777), (103, 787941), (189, 429407), (231, 351333), (297, 273259), (309, 262647), (379, 214137), (693, 117111), (721, 112563), (927, 87549), (1133, 71631), (1137, 71379), (2079, 39037), (2163, 37521), (2653, 30591), (2781, 29183), (3399, 23877), (3411, 23793), (4169, 19467), (6489, 12507), (7931, 10233), (7959, 10197)]