242628477

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{3881}}^1$

素因数の和:4133

約数の個数: 32

約数和(自身を含む): 400001280

約数和(自身を除く): 157372803

約数列:

[1, 3, 7, 13, 21, 39, 91, 229, 273, 687, 1603, 2977, 3881, 4809, 8931, 11643, 20839, 27167, 50453, 62517, 81501, 151359, 353171, 888749, 1059513, 2666247, 6221243, 11553737, 18663729, 34661211, 80876159, 242628477]

約数ペア:

[(1, 242628477), (3, 80876159), (7, 34661211), (13, 18663729), (21, 11553737), (39, 6221243), (91, 2666247), (229, 1059513), (273, 888749), (687, 353171), (1603, 151359), (2977, 81501), (3881, 62517), (4809, 50453), (8931, 27167), (11643, 20839)]