2077845

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 4235328

約数和(自身を除く): 2157483

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 257, 385, 539, 735, 771, 1155, 1285, 1617, 1799, 2695, 2827, 3855, 5397, 8085, 8481, 8995, 12593, 14135, 19789, 26985, 37779, 42405, 59367, 62965, 98945, 138523, 188895, 296835, 415569, 692615, 2077845]

約数ペア:

[(1, 2077845), (3, 692615), (5, 415569), (7, 296835), (11, 188895), (15, 138523), (21, 98945), (33, 62965), (35, 59367), (49, 42405), (55, 37779), (77, 26985), (105, 19789), (147, 14135), (165, 12593), (231, 8995), (245, 8481), (257, 8085), (385, 5397), (539, 3855), (735, 2827), (771, 2695), (1155, 1799), (1285, 1617)]