68971581

素因数分解:

$3^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1181}}^1$

素因数の和:1303

約数の個数: 40

約数和(自身を含む): 118994304

約数和(自身を除く): 50022723

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 103, 189, 309, 567, 721, 927, 1181, 2163, 2781, 3543, 6489, 8267, 8343, 10629, 19467, 24801, 31887, 58401, 74403, 95661, 121643, 223209, 364929, 669627, 851501, 1094787, 2554503, 3284361, 7663509, 9853083, 22990527, 68971581]

約数ペア:

[(1, 68971581), (3, 22990527), (7, 9853083), (9, 7663509), (21, 3284361), (27, 2554503), (63, 1094787), (81, 851501), (103, 669627), (189, 364929), (309, 223209), (567, 121643), (721, 95661), (927, 74403), (1181, 58401), (2163, 31887), (2781, 24801), (3543, 19467), (6489, 10629), (8267, 8343)]