66466815

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 108573696

約数和(自身を除く): 42106881

約数列:

[1, 3, 5, 15, 83, 197, 249, 271, 415, 591, 813, 985, 1245, 1355, 2955, 4065, 16351, 22493, 49053, 53387, 67479, 81755, 112465, 160161, 245265, 266935, 337395, 800805, 4431121, 13293363, 22155605, 66466815]

約数ペア:

[(1, 66466815), (3, 22155605), (5, 13293363), (15, 4431121), (83, 800805), (197, 337395), (249, 266935), (271, 245265), (415, 160161), (591, 112465), (813, 81755), (985, 67479), (1245, 53387), (1355, 49053), (2955, 22493), (4065, 16351)]