731913

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 1225728

約数和(自身を除く): 493815

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 383, 637, 1149, 1911, 2681, 4979, 8043, 14937, 18767, 34853, 56301, 104559, 243971, 731913]

約数ペア:

[(1, 731913), (3, 243971), (7, 104559), (13, 56301), (21, 34853), (39, 18767), (49, 14937), (91, 8043), (147, 4979), (273, 2681), (383, 1911), (637, 1149)]