731285247

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1123}}^1\times {\mathrm{2819}}^1$

素因数の和:3963

約数の個数: 32

約数和(自身を含む): 1217157120

約数和(自身を除く): 485871873

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 1123, 2819, 3369, 7861, 8457, 12353, 19733, 23583, 31009, 37059, 59199, 86471, 93027, 217063, 259413, 651189, 3165737, 9497211, 22160159, 34823107, 66480477, 104469321, 243761749, 731285247]

約数ペア:

[(1, 731285247), (3, 243761749), (7, 104469321), (11, 66480477), (21, 34823107), (33, 22160159), (77, 9497211), (231, 3165737), (1123, 651189), (2819, 259413), (3369, 217063), (7861, 93027), (8457, 86471), (12353, 59199), (19733, 37059), (23583, 31009)]