13263957

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1583}}^1$

素因数の和:1622

約数の個数: 36

約数和(自身を含む): 23474880

約数和(自身を除く): 10210923

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 1583, 2793, 4749, 8379, 11081, 14247, 30077, 33243, 77567, 90231, 99729, 210539, 232701, 270693, 631617, 698103, 1473773, 1894851, 4421319, 13263957]

約数ペア:

[(1, 13263957), (3, 4421319), (7, 1894851), (9, 1473773), (19, 698103), (21, 631617), (49, 270693), (57, 232701), (63, 210539), (133, 99729), (147, 90231), (171, 77567), (399, 33243), (441, 30077), (931, 14247), (1197, 11081), (1583, 8379), (2793, 4749)]