25021269

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 45007872

約数和(自身を除く): 19986603

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 137, 223, 273, 411, 669, 819, 959, 1233, 1561, 1781, 2007, 2877, 2899, 4683, 5343, 8631, 8697, 12467, 14049, 16029, 20293, 26091, 30551, 37401, 60879, 91653, 112203, 182637, 213857, 274959, 397163, 641571, 1191489, 1924713, 2780141, 3574467, 8340423, 25021269]

約数ペア:

[(1, 25021269), (3, 8340423), (7, 3574467), (9, 2780141), (13, 1924713), (21, 1191489), (39, 641571), (63, 397163), (91, 274959), (117, 213857), (137, 182637), (223, 112203), (273, 91653), (411, 60879), (669, 37401), (819, 30551), (959, 26091), (1233, 20293), (1561, 16029), (1781, 14049), (2007, 12467), (2877, 8697), (2899, 8631), (4683, 5343)]