64701441

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{283}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 113418240

約数和(自身を除く): 48716799

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 191, 283, 399, 573, 849, 1197, 1337, 1719, 1981, 2547, 3629, 4011, 5377, 5943, 10887, 12033, 16131, 17829, 25403, 32661, 37639, 48393, 54053, 76209, 112917, 162159, 228627, 338751, 378371, 486477, 1027007, 1135113, 3081021, 3405339, 7189049, 9243063, 21567147, 64701441]

約数ペア:

[(1, 64701441), (3, 21567147), (7, 9243063), (9, 7189049), (19, 3405339), (21, 3081021), (57, 1135113), (63, 1027007), (133, 486477), (171, 378371), (191, 338751), (283, 228627), (399, 162159), (573, 112917), (849, 76209), (1197, 54053), (1337, 48393), (1719, 37639), (1981, 32661), (2547, 25403), (3629, 17829), (4011, 16131), (5377, 12033), (5943, 10887)]