251027091

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{59471}}^1$

素因数の和:59551

約数の個数: 24

約数和(自身を含む): 420585984

約数和(自身を除く): 169558893

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 59471, 178413, 416297, 535239, 1248891, 3746673, 3984557, 11953671, 27891899, 35861013, 83675697, 251027091]

約数ペア:

[(1, 251027091), (3, 83675697), (7, 35861013), (9, 27891899), (21, 11953671), (63, 3984557), (67, 3746673), (201, 1248891), (469, 535239), (603, 416297), (1407, 178413), (4221, 59471)]