25578693

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 22805307

約数列:

[1, 3, 7, 9, 17, 19, 21, 27, 51, 57, 63, 119, 133, 153, 171, 189, 323, 357, 399, 419, 459, 513, 969, 1071, 1197, 1257, 2261, 2907, 2933, 3213, 3591, 3771, 6783, 7123, 7961, 8721, 8799, 11313, 20349, 21369, 23883, 26397, 49861, 55727, 61047, 64107, 71649, 79191, 135337, 149583, 167181, 192321, 214947, 406011, 448749, 501543, 947359, 1218033, 1346247, 1504629, 2842077, 3654099, 8526231, 25578693]

約数ペア:

[(1, 25578693), (3, 8526231), (7, 3654099), (9, 2842077), (17, 1504629), (19, 1346247), (21, 1218033), (27, 947359), (51, 501543), (57, 448749), (63, 406011), (119, 214947), (133, 192321), (153, 167181), (171, 149583), (189, 135337), (323, 79191), (357, 71649), (399, 64107), (419, 61047), (459, 55727), (513, 49861), (969, 26397), (1071, 23883), (1197, 21369), (1257, 20349), (2261, 11313), (2907, 8799), (2933, 8721), (3213, 7961), (3591, 7123), (3771, 6783)]