22781187

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 39975936

約数和(自身を除く): 17194749

約数列:

[1, 3, 9, 11, 13, 31, 33, 39, 93, 99, 117, 143, 279, 341, 403, 429, 571, 1023, 1209, 1287, 1713, 3069, 3627, 4433, 5139, 6281, 7423, 13299, 17701, 18843, 22269, 39897, 53103, 56529, 66807, 81653, 159309, 194711, 230113, 244959, 584133, 690339, 734877, 1752399, 2071017, 2531243, 7593729, 22781187]

約数ペア:

[(1, 22781187), (3, 7593729), (9, 2531243), (11, 2071017), (13, 1752399), (31, 734877), (33, 690339), (39, 584133), (93, 244959), (99, 230113), (117, 194711), (143, 159309), (279, 81653), (341, 66807), (403, 56529), (429, 53103), (571, 39897), (1023, 22269), (1209, 18843), (1287, 17701), (1713, 13299), (3069, 7423), (3627, 6281), (4433, 5139)]