231444339

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{2311}}^1$

素因数の和:2591

約数の個数: 32

約数和(自身を含む): 372879360

約数和(自身を除く): 141435021

約数列:

[1, 3, 7, 19, 21, 57, 133, 251, 399, 753, 1757, 2311, 4769, 5271, 6933, 14307, 16177, 33383, 43909, 48531, 100149, 131727, 307363, 580061, 922089, 1740183, 4060427, 11021159, 12181281, 33063477, 77148113, 231444339]

約数ペア:

[(1, 231444339), (3, 77148113), (7, 33063477), (19, 12181281), (21, 11021159), (57, 4060427), (133, 1740183), (251, 922089), (399, 580061), (753, 307363), (1757, 131727), (2311, 100149), (4769, 48531), (5271, 43909), (6933, 33383), (14307, 16177)]