64019805

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^2$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 110403072

約数和(自身を除く): 46383267

約数列:

[1, 3, 5, 15, 31, 37, 61, 93, 111, 155, 183, 185, 305, 465, 555, 915, 1147, 1891, 2257, 3441, 3721, 5673, 5735, 6771, 9455, 11163, 11285, 17205, 18605, 28365, 33855, 55815, 69967, 115351, 137677, 209901, 346053, 349835, 413031, 576755, 688385, 1049505, 1730265, 2065155, 4267987, 12803961, 21339935, 64019805]

約数ペア:

[(1, 64019805), (3, 21339935), (5, 12803961), (15, 4267987), (31, 2065155), (37, 1730265), (61, 1049505), (93, 688385), (111, 576755), (155, 413031), (183, 349835), (185, 346053), (305, 209901), (465, 137677), (555, 115351), (915, 69967), (1147, 55815), (1891, 33855), (2257, 28365), (3441, 18605), (3721, 17205), (5673, 11285), (5735, 11163), (6771, 9455)]