51545781

素因数分解:

$3^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1223}}^1$

素因数の和:1462

約数の個数: 32

約数和(自身を含む): 87736320

約数和(自身を除く): 36190539

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 223, 669, 1223, 1561, 2007, 3669, 4683, 6021, 8561, 11007, 14049, 25683, 33021, 42147, 77049, 231147, 272729, 818187, 1909103, 2454561, 5727309, 7363683, 17181927, 51545781]

約数ペア:

[(1, 51545781), (3, 17181927), (7, 7363683), (9, 5727309), (21, 2454561), (27, 1909103), (63, 818187), (189, 272729), (223, 231147), (669, 77049), (1223, 42147), (1561, 33021), (2007, 25683), (3669, 14049), (4683, 11007), (6021, 8561)]