27686477

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 36556800

約数和(自身を除く): 8870323

約数列:

[1, 7, 13, 19, 67, 91, 133, 239, 247, 469, 871, 1273, 1673, 1729, 3107, 4541, 6097, 8911, 16013, 16549, 21749, 31787, 59033, 112091, 115843, 208169, 304247, 413231, 1457183, 2129729, 3955211, 27686477]

約数ペア:

[(1, 27686477), (7, 3955211), (13, 2129729), (19, 1457183), (67, 413231), (91, 304247), (133, 208169), (239, 115843), (247, 112091), (469, 59033), (871, 31787), (1273, 21749), (1673, 16549), (1729, 16013), (3107, 8911), (4541, 6097)]