31123477

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 40492800

約数和(自身を除く): 9369323

約数列:

[1, 7, 11, 49, 73, 77, 113, 343, 511, 539, 791, 803, 1243, 3577, 3773, 5537, 5621, 8249, 8701, 25039, 38759, 39347, 57743, 60907, 90739, 275429, 404201, 426349, 635173, 2829407, 4446211, 31123477]

約数ペア:

[(1, 31123477), (7, 4446211), (11, 2829407), (49, 635173), (73, 426349), (77, 404201), (113, 275429), (343, 90739), (511, 60907), (539, 57743), (791, 39347), (803, 38759), (1243, 25039), (3577, 8701), (3773, 8249), (5537, 5621)]