2196915

素因数分解:

$3^1\times 5^1\times 7^4\times {\mathrm{61}}^1$

素因数の和:97

約数の個数: 40

約数和(自身を含む): 4167888

約数和(自身を除く): 1970973

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 61, 105, 147, 183, 245, 305, 343, 427, 735, 915, 1029, 1281, 1715, 2135, 2401, 2989, 5145, 6405, 7203, 8967, 12005, 14945, 20923, 36015, 44835, 62769, 104615, 146461, 313845, 439383, 732305, 2196915]

約数ペア:

[(1, 2196915), (3, 732305), (5, 439383), (7, 313845), (15, 146461), (21, 104615), (35, 62769), (49, 44835), (61, 36015), (105, 20923), (147, 14945), (183, 12005), (245, 8967), (305, 7203), (343, 6405), (427, 5145), (735, 2989), (915, 2401), (1029, 2135), (1281, 1715)]