71811345

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{397}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 119208960

約数和(自身を除く): 47397615

約数列:

[1, 3, 5, 15, 31, 93, 155, 389, 397, 465, 1167, 1191, 1945, 1985, 5835, 5955, 12059, 12307, 36177, 36921, 60295, 61535, 154433, 180885, 184605, 463299, 772165, 2316495, 4787423, 14362269, 23937115, 71811345]

約数ペア:

[(1, 71811345), (3, 23937115), (5, 14362269), (15, 4787423), (31, 2316495), (93, 772165), (155, 463299), (389, 184605), (397, 180885), (465, 154433), (1167, 61535), (1191, 60295), (1945, 36921), (1985, 36177), (5835, 12307), (5955, 12059)]