256220955

素因数分解:

$3^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4733}}^1$

素因数の和:5148

約数の個数: 32

約数和(自身を含む): 456736320

約数和(自身を除く): 200515365

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 401, 1203, 2005, 3609, 4733, 6015, 10827, 14199, 18045, 23665, 42597, 54135, 70995, 127791, 212985, 638955, 1897933, 5693799, 9489665, 17081397, 28468995, 51244191, 85406985, 256220955]

約数ペア:

[(1, 256220955), (3, 85406985), (5, 51244191), (9, 28468995), (15, 17081397), (27, 9489665), (45, 5693799), (135, 1897933), (401, 638955), (1203, 212985), (2005, 127791), (3609, 70995), (4733, 54135), (6015, 42597), (10827, 23665), (14199, 18045)]