25809381

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 43355200

約数和(自身を除く): 17545819

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 139, 207, 299, 351, 417, 529, 621, 897, 1251, 1587, 1807, 2691, 3197, 3753, 4761, 5421, 6877, 8073, 9591, 14283, 16263, 20631, 28773, 41561, 48789, 61893, 73531, 86319, 124683, 185679, 220593, 374049, 661779, 955903, 1122147, 1985337, 2867709, 8603127, 25809381]

約数ペア:

[(1, 25809381), (3, 8603127), (9, 2867709), (13, 1985337), (23, 1122147), (27, 955903), (39, 661779), (69, 374049), (117, 220593), (139, 185679), (207, 124683), (299, 86319), (351, 73531), (417, 61893), (529, 48789), (621, 41561), (897, 28773), (1251, 20631), (1587, 16263), (1807, 14283), (2691, 9591), (3197, 8073), (3753, 6877), (4761, 5421)]