13256313

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2909}}^1$

素因数の和:2957

約数の個数: 24

約数和(自身を含む): 21231360

約数和(自身を除く): 7975047

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 2909, 4557, 8727, 20363, 61089, 90179, 142541, 270537, 427623, 631253, 1893759, 4418771, 13256313]

約数ペア:

[(1, 13256313), (3, 4418771), (7, 1893759), (21, 631253), (31, 427623), (49, 270537), (93, 142541), (147, 90179), (217, 61089), (651, 20363), (1519, 8727), (2909, 4557)]