28290885

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 53603712

約数和(自身を除く): 25312827

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 61, 105, 147, 183, 245, 305, 427, 631, 735, 915, 1281, 1893, 2135, 2989, 3155, 4417, 6405, 8967, 9465, 13251, 14945, 22085, 30919, 38491, 44835, 66255, 92757, 115473, 154595, 192455, 269437, 463785, 577365, 808311, 1347185, 1886059, 4041555, 5658177, 9430295, 28290885]

約数ペア:

[(1, 28290885), (3, 9430295), (5, 5658177), (7, 4041555), (15, 1886059), (21, 1347185), (35, 808311), (49, 577365), (61, 463785), (105, 269437), (147, 192455), (183, 154595), (245, 115473), (305, 92757), (427, 66255), (631, 44835), (735, 38491), (915, 30919), (1281, 22085), (1893, 14945), (2135, 13251), (2989, 9465), (3155, 8967), (4417, 6405)]