813371

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 16

約数和(自身を含む): 957600

約数和(自身を除く): 144229

約数列:

[1, 13, 19, 37, 89, 247, 481, 703, 1157, 1691, 3293, 9139, 21983, 42809, 62567, 813371]

約数ペア:

[(1, 813371), (13, 62567), (19, 42809), (37, 21983), (89, 9139), (247, 3293), (481, 1691), (703, 1157)]