221508807

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{4909}}^1$

素因数の和:5027

約数の個数: 24

約数和(自身を含む): 323470800

約数和(自身を除く): 101961993

約数列:

[1, 3, 13, 39, 89, 169, 267, 507, 1157, 3471, 4909, 14727, 15041, 45123, 63817, 191451, 436901, 829621, 1310703, 2488863, 5679713, 17039139, 73836269, 221508807]

約数ペア:

[(1, 221508807), (3, 73836269), (13, 17039139), (39, 5679713), (89, 2488863), (169, 1310703), (267, 829621), (507, 436901), (1157, 191451), (3471, 63817), (4909, 45123), (14727, 15041)]