721154973

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{10169}}^1$

素因数の和:10497

約数の個数: 32

約数和(自身を含む): 1202826240

約数和(自身を除く): 481671267

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 307, 921, 2149, 3377, 6447, 10131, 10169, 23639, 30507, 70917, 71183, 111859, 213549, 335577, 783013, 2349039, 3121883, 9365649, 21853181, 34340713, 65559543, 103022139, 240384991, 721154973]

約数ペア:

[(1, 721154973), (3, 240384991), (7, 103022139), (11, 65559543), (21, 34340713), (33, 21853181), (77, 9365649), (231, 3121883), (307, 2349039), (921, 783013), (2149, 335577), (3377, 213549), (6447, 111859), (10131, 71183), (10169, 70917), (23639, 30507)]