71409591

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 116812800

約数和(自身を除く): 45403209

約数列:

[1, 3, 9, 11, 33, 47, 99, 103, 141, 149, 309, 423, 447, 517, 927, 1133, 1341, 1551, 1639, 3399, 4653, 4841, 4917, 7003, 10197, 14523, 14751, 15347, 21009, 43569, 46041, 53251, 63027, 77033, 138123, 159753, 168817, 231099, 479259, 506451, 693297, 721309, 1519353, 2163927, 6491781, 7934399, 23803197, 71409591]

約数ペア:

[(1, 71409591), (3, 23803197), (9, 7934399), (11, 6491781), (33, 2163927), (47, 1519353), (99, 721309), (103, 693297), (141, 506451), (149, 479259), (309, 231099), (423, 168817), (447, 159753), (517, 138123), (927, 77033), (1133, 63027), (1341, 53251), (1551, 46041), (1639, 43569), (3399, 21009), (4653, 15347), (4841, 14751), (4917, 14523), (7003, 10197)]