64400895

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{389}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 120949920

約数和(自身を除く): 56549025

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 283, 389, 585, 849, 1167, 1415, 1945, 2547, 3501, 3679, 4245, 5057, 5835, 11037, 12735, 15171, 17505, 18395, 25285, 33111, 45513, 55185, 75855, 110087, 165555, 227565, 330261, 550435, 990783, 1431131, 1651305, 4293393, 4953915, 7155655, 12880179, 21466965, 64400895]

約数ペア:

[(1, 64400895), (3, 21466965), (5, 12880179), (9, 7155655), (13, 4953915), (15, 4293393), (39, 1651305), (45, 1431131), (65, 990783), (117, 550435), (195, 330261), (283, 227565), (389, 165555), (585, 110087), (849, 75855), (1167, 55185), (1415, 45513), (1945, 33111), (2547, 25285), (3501, 18395), (3679, 17505), (4245, 15171), (5057, 12735), (5835, 11037)]