720485199

素因数分解:

$3^4\times 7^1\times {\mathrm{1039}}^1\times {\mathrm{1223}}^1$

素因数の和:2281

約数の個数: 40

約数和(自身を含む): 1232225280

約数和(自身を除く): 511740081

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1039, 1223, 3117, 3669, 7273, 8561, 9351, 11007, 21819, 25683, 28053, 33021, 65457, 77049, 84159, 99063, 196371, 231147, 589113, 693441, 1270697, 3812091, 8894879, 11436273, 26684637, 34308819, 80053911, 102926457, 240161733, 720485199]

約数ペア:

[(1, 720485199), (3, 240161733), (7, 102926457), (9, 80053911), (21, 34308819), (27, 26684637), (63, 11436273), (81, 8894879), (189, 3812091), (567, 1270697), (1039, 693441), (1223, 589113), (3117, 231147), (3669, 196371), (7273, 99063), (8561, 84159), (9351, 77049), (11007, 65457), (21819, 33021), (25683, 28053)]