25205103

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{983}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 46665216

約数和(自身を除く): 21460113

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 63, 77, 99, 111, 231, 259, 333, 407, 693, 777, 983, 1221, 2331, 2849, 2949, 3663, 6881, 8547, 8847, 10813, 20643, 25641, 32439, 36371, 61929, 75691, 97317, 109113, 227073, 254597, 327339, 400081, 681219, 763791, 1200243, 2291373, 2800567, 3600729, 8401701, 25205103]

約数ペア:

[(1, 25205103), (3, 8401701), (7, 3600729), (9, 2800567), (11, 2291373), (21, 1200243), (33, 763791), (37, 681219), (63, 400081), (77, 327339), (99, 254597), (111, 227073), (231, 109113), (259, 97317), (333, 75691), (407, 61929), (693, 36371), (777, 32439), (983, 25641), (1221, 20643), (2331, 10813), (2849, 8847), (2949, 8547), (3663, 6881)]