2680545

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{521}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 5011200

約数和(自身を除く): 2330655

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 521, 735, 1029, 1563, 1715, 2605, 3647, 5145, 7815, 10941, 18235, 25529, 54705, 76587, 127645, 178703, 382935, 536109, 893515, 2680545]

約数ペア:

[(1, 2680545), (3, 893515), (5, 536109), (7, 382935), (15, 178703), (21, 127645), (35, 76587), (49, 54705), (105, 25529), (147, 18235), (245, 10941), (343, 7815), (521, 5145), (735, 3647), (1029, 2605), (1563, 1715)]