406979487

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{229}}^1\times {\mathrm{547}}^1$

素因数の和:820

約数の個数: 36

約数和(自身を含む): 624276120

約数和(自身を除く): 217296633

約数列:

[1, 3, 9, 19, 57, 171, 229, 361, 547, 687, 1083, 1641, 2061, 3249, 4351, 4923, 10393, 13053, 31179, 39159, 82669, 93537, 125263, 197467, 248007, 375789, 592401, 744021, 1127367, 1777203, 2379997, 7139991, 21419973, 45219943, 135659829, 406979487]

約数ペア:

[(1, 406979487), (3, 135659829), (9, 45219943), (19, 21419973), (57, 7139991), (171, 2379997), (229, 1777203), (361, 1127367), (547, 744021), (687, 592401), (1083, 375789), (1641, 248007), (2061, 197467), (3249, 125263), (4351, 93537), (4923, 82669), (10393, 39159), (13053, 31179)]