16371747

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^2\times {\mathrm{103}}^1$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 28986880

約数和(自身を除く): 12615133

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 103, 189, 203, 261, 309, 609, 721, 783, 841, 927, 1827, 2163, 2523, 2781, 2987, 5481, 5887, 6489, 7569, 8961, 17661, 19467, 20909, 22707, 26883, 52983, 62727, 80649, 86623, 158949, 188181, 259869, 564543, 606361, 779607, 1819083, 2338821, 5457249, 16371747]

約数ペア:

[(1, 16371747), (3, 5457249), (7, 2338821), (9, 1819083), (21, 779607), (27, 606361), (29, 564543), (63, 259869), (87, 188181), (103, 158949), (189, 86623), (203, 80649), (261, 62727), (309, 52983), (609, 26883), (721, 22707), (783, 20909), (841, 19467), (927, 17661), (1827, 8961), (2163, 7569), (2523, 6489), (2781, 5887), (2987, 5481)]