31149027

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 56242368

約数和(自身を除く): 25093341

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 73, 91, 117, 219, 273, 511, 521, 657, 819, 949, 1533, 1563, 2847, 3647, 4599, 4689, 6643, 6773, 8541, 10941, 19929, 20319, 32823, 38033, 47411, 59787, 60957, 114099, 142233, 266231, 342297, 426699, 494429, 798693, 1483287, 2396079, 3461003, 4449861, 10383009, 31149027]

約数ペア:

[(1, 31149027), (3, 10383009), (7, 4449861), (9, 3461003), (13, 2396079), (21, 1483287), (39, 798693), (63, 494429), (73, 426699), (91, 342297), (117, 266231), (219, 142233), (273, 114099), (511, 60957), (521, 59787), (657, 47411), (819, 38033), (949, 32823), (1533, 20319), (1563, 19929), (2847, 10941), (3647, 8541), (4599, 6773), (4689, 6643)]