221867503

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2207}}^1$

素因数の和:2287

約数の個数: 32

約数和(自身を含む): 281917440

約数和(自身を除く): 60049937

約数列:

[1, 11, 13, 19, 37, 143, 209, 247, 407, 481, 703, 2207, 2717, 5291, 7733, 9139, 24277, 28691, 41933, 81659, 100529, 315601, 461263, 545129, 898249, 1061567, 1551521, 5996419, 11677237, 17066731, 20169773, 221867503]

約数ペア:

[(1, 221867503), (11, 20169773), (13, 17066731), (19, 11677237), (37, 5996419), (143, 1551521), (209, 1061567), (247, 898249), (407, 545129), (481, 461263), (703, 315601), (2207, 100529), (2717, 81659), (5291, 41933), (7733, 28691), (9139, 24277)]