26538309

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 20636091

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 71, 119, 153, 213, 349, 357, 497, 639, 1047, 1071, 1207, 1491, 2443, 3141, 3621, 4473, 5933, 7329, 8449, 10863, 17799, 21987, 24779, 25347, 41531, 53397, 74337, 76041, 124593, 173453, 223011, 373779, 421243, 520359, 1263729, 1561077, 2948701, 3791187, 8846103, 26538309]

約数ペア:

[(1, 26538309), (3, 8846103), (7, 3791187), (9, 2948701), (17, 1561077), (21, 1263729), (51, 520359), (63, 421243), (71, 373779), (119, 223011), (153, 173453), (213, 124593), (349, 76041), (357, 74337), (497, 53397), (639, 41531), (1047, 25347), (1071, 24779), (1207, 21987), (1491, 17799), (2443, 10863), (3141, 8449), (3621, 7329), (4473, 5933)]