171856161

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 272248704

約数和(自身を除く): 100392543

約数列:

[1, 3, 9, 23, 27, 69, 81, 97, 207, 243, 291, 317, 621, 873, 951, 1863, 2231, 2619, 2853, 5589, 6693, 7291, 7857, 8559, 20079, 21873, 23571, 25677, 30749, 60237, 65619, 77031, 92247, 180711, 196857, 276741, 542133, 590571, 707227, 830223, 1771713, 2121681, 2490669, 6365043, 7472007, 19095129, 57285387, 171856161]

約数ペア:

[(1, 171856161), (3, 57285387), (9, 19095129), (23, 7472007), (27, 6365043), (69, 2490669), (81, 2121681), (97, 1771713), (207, 830223), (243, 707227), (291, 590571), (317, 542133), (621, 276741), (873, 196857), (951, 180711), (1863, 92247), (2231, 77031), (2619, 65619), (2853, 60237), (5589, 30749), (6693, 25677), (7291, 23571), (7857, 21873), (8559, 20079)]