2258739

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:89

約数の個数: 64

約数和(自身を含む): 4377600

約数和(自身を除く): 2118861

約数列:

[1, 3, 7, 9, 17, 19, 21, 27, 37, 51, 57, 63, 111, 119, 133, 153, 171, 189, 259, 323, 333, 357, 399, 459, 513, 629, 703, 777, 969, 999, 1071, 1197, 1887, 2109, 2261, 2331, 2907, 3213, 3591, 4403, 4921, 5661, 6327, 6783, 6993, 8721, 11951, 13209, 14763, 16983, 18981, 20349, 35853, 39627, 44289, 61047, 83657, 107559, 118881, 132867, 250971, 322677, 752913, 2258739]

約数ペア:

[(1, 2258739), (3, 752913), (7, 322677), (9, 250971), (17, 132867), (19, 118881), (21, 107559), (27, 83657), (37, 61047), (51, 44289), (57, 39627), (63, 35853), (111, 20349), (119, 18981), (133, 16983), (153, 14763), (171, 13209), (189, 11951), (259, 8721), (323, 6993), (333, 6783), (357, 6327), (399, 5661), (459, 4921), (513, 4403), (629, 3591), (703, 3213), (777, 2907), (969, 2331), (999, 2261), (1071, 2109), (1197, 1887)]