1380225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 2856960

約数和(自身を除く): 1476735

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 239, 275, 385, 525, 717, 825, 1155, 1195, 1673, 1925, 2629, 3585, 5019, 5775, 5975, 7887, 8365, 13145, 17925, 18403, 25095, 39435, 41825, 55209, 65725, 92015, 125475, 197175, 276045, 460075, 1380225]

約数ペア:

[(1, 1380225), (3, 460075), (5, 276045), (7, 197175), (11, 125475), (15, 92015), (21, 65725), (25, 55209), (33, 41825), (35, 39435), (55, 25095), (75, 18403), (77, 17925), (105, 13145), (165, 8365), (175, 7887), (231, 5975), (239, 5775), (275, 5019), (385, 3585), (525, 2629), (717, 1925), (825, 1673), (1155, 1195)]