28587951

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{419}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 51206400

約数和(自身を除く): 22618449

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 361, 399, 419, 513, 1083, 1197, 1257, 2527, 2933, 3249, 3591, 3771, 7581, 7961, 8799, 9747, 11313, 22743, 23883, 26397, 55727, 68229, 71649, 79191, 151259, 167181, 214947, 453777, 501543, 1058813, 1361331, 1504629, 3176439, 4083993, 9529317, 28587951]

約数ペア:

[(1, 28587951), (3, 9529317), (7, 4083993), (9, 3176439), (19, 1504629), (21, 1361331), (27, 1058813), (57, 501543), (63, 453777), (133, 214947), (171, 167181), (189, 151259), (361, 79191), (399, 71649), (419, 68229), (513, 55727), (1083, 26397), (1197, 23883), (1257, 22743), (2527, 11313), (2933, 9747), (3249, 8799), (3591, 7961), (3771, 7581)]