816766713

素因数分解:

$3^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{19379}}^1$

素因数の和:19618

約数の個数: 32

約数和(自身を含む): 1389158400

約数和(自身を除く): 572391687

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 223, 669, 1561, 2007, 4683, 6021, 14049, 19379, 42147, 58137, 135653, 174411, 406959, 523233, 1220877, 3662631, 4321517, 12964551, 30250619, 38893653, 90751857, 116680959, 272255571, 816766713]

約数ペア:

[(1, 816766713), (3, 272255571), (7, 116680959), (9, 90751857), (21, 38893653), (27, 30250619), (63, 12964551), (189, 4321517), (223, 3662631), (669, 1220877), (1561, 523233), (2007, 406959), (4683, 174411), (6021, 135653), (14049, 58137), (19379, 42147)]