211317405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{23057}}^1$

素因数の和:23125

約数の個数: 32

約数和(自身を含む): 371879424

約数和(自身を除く): 160562019

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 195, 235, 611, 705, 1833, 3055, 9165, 23057, 69171, 115285, 299741, 345855, 899223, 1083679, 1498705, 3251037, 4496115, 5418395, 14087827, 16255185, 42263481, 70439135, 211317405]

約数ペア:

[(1, 211317405), (3, 70439135), (5, 42263481), (13, 16255185), (15, 14087827), (39, 5418395), (47, 4496115), (65, 3251037), (141, 1498705), (195, 1083679), (235, 899223), (611, 345855), (705, 299741), (1833, 115285), (3055, 69171), (9165, 23057)]