13906347

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 24514560

約数和(自身を除く): 10608213

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 247, 273, 383, 399, 637, 741, 931, 1149, 1729, 1911, 2681, 2793, 4979, 5187, 7277, 8043, 12103, 14937, 18767, 21831, 34853, 36309, 50939, 56301, 94601, 104559, 152817, 243971, 283803, 356573, 662207, 731913, 1069719, 1986621, 4635449, 13906347]

約数ペア:

[(1, 13906347), (3, 4635449), (7, 1986621), (13, 1069719), (19, 731913), (21, 662207), (39, 356573), (49, 283803), (57, 243971), (91, 152817), (133, 104559), (147, 94601), (247, 56301), (273, 50939), (383, 36309), (399, 34853), (637, 21831), (741, 18767), (931, 14937), (1149, 12103), (1729, 8043), (1911, 7277), (2681, 5187), (2793, 4979)]