2804025

素因数分解:

$3^1\times 5^2\times 7^3\times {\mathrm{109}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 5456000

約数和(自身を除く): 2651975

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 109, 147, 175, 245, 327, 343, 525, 545, 735, 763, 1029, 1225, 1635, 1715, 2289, 2725, 3675, 3815, 5145, 5341, 8175, 8575, 11445, 16023, 19075, 25725, 26705, 37387, 57225, 80115, 112161, 133525, 186935, 400575, 560805, 934675, 2804025]

約数ペア:

[(1, 2804025), (3, 934675), (5, 560805), (7, 400575), (15, 186935), (21, 133525), (25, 112161), (35, 80115), (49, 57225), (75, 37387), (105, 26705), (109, 25725), (147, 19075), (175, 16023), (245, 11445), (327, 8575), (343, 8175), (525, 5341), (545, 5145), (735, 3815), (763, 3675), (1029, 2725), (1225, 2289), (1635, 1715)]