13131261

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 24192000

約数和(自身を除く): 11060739

約数列:

[1, 3, 9, 11, 13, 19, 27, 33, 39, 57, 99, 117, 143, 171, 179, 209, 247, 297, 351, 429, 513, 537, 627, 741, 1287, 1611, 1881, 1969, 2223, 2327, 2717, 3401, 3861, 4833, 5643, 5907, 6669, 6981, 8151, 10203, 17721, 20943, 24453, 25597, 30609, 37411, 44213, 53163, 62829, 73359, 76791, 91827, 112233, 132639, 230373, 336699, 397917, 486343, 691119, 1010097, 1193751, 1459029, 4377087, 13131261]

約数ペア:

[(1, 13131261), (3, 4377087), (9, 1459029), (11, 1193751), (13, 1010097), (19, 691119), (27, 486343), (33, 397917), (39, 336699), (57, 230373), (99, 132639), (117, 112233), (143, 91827), (171, 76791), (179, 73359), (209, 62829), (247, 53163), (297, 44213), (351, 37411), (429, 30609), (513, 25597), (537, 24453), (627, 20943), (741, 17721), (1287, 10203), (1611, 8151), (1881, 6981), (1969, 6669), (2223, 5907), (2327, 5643), (2717, 4833), (3401, 3861)]