2556225

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{541}}^1$

素因数の和:567

約数の個数: 48

約数和(自身を含む): 5376640

約数和(自身を除く): 2820415

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 541, 675, 945, 1575, 1623, 2705, 3787, 4725, 4869, 8115, 11361, 13525, 14607, 18935, 24345, 34083, 40575, 56805, 73035, 94675, 102249, 121725, 170415, 284025, 365175, 511245, 852075, 2556225]

約数ペア:

[(1, 2556225), (3, 852075), (5, 511245), (7, 365175), (9, 284025), (15, 170415), (21, 121725), (25, 102249), (27, 94675), (35, 73035), (45, 56805), (63, 40575), (75, 34083), (105, 24345), (135, 18935), (175, 14607), (189, 13525), (225, 11361), (315, 8115), (525, 4869), (541, 4725), (675, 3787), (945, 2705), (1575, 1623)]