42040047

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 66253824

約数和(自身を除く): 24213777

約数列:

[1, 3, 7, 21, 41, 123, 157, 287, 311, 471, 861, 933, 1099, 2177, 3297, 6437, 6531, 12751, 19311, 38253, 45059, 48827, 89257, 135177, 146481, 267771, 341789, 1025367, 2001907, 6005721, 14013349, 42040047]

約数ペア:

[(1, 42040047), (3, 14013349), (7, 6005721), (21, 2001907), (41, 1025367), (123, 341789), (157, 267771), (287, 146481), (311, 135177), (471, 89257), (861, 48827), (933, 45059), (1099, 38253), (2177, 19311), (3297, 12751), (6437, 6531)]