520068771

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{79}}^2\times {\mathrm{197}}^1$

素因数の和:408

約数の個数: 36

約数和(自身を含む): 780972192

約数和(自身を除く): 260903421

約数列:

[1, 3, 9, 47, 79, 141, 197, 237, 423, 591, 711, 1773, 3713, 6241, 9259, 11139, 15563, 18723, 27777, 33417, 46689, 56169, 83331, 140067, 293327, 731461, 879981, 1229477, 2194383, 2639943, 3688431, 6583149, 11065293, 57785419, 173356257, 520068771]

約数ペア:

[(1, 520068771), (3, 173356257), (9, 57785419), (47, 11065293), (79, 6583149), (141, 3688431), (197, 2639943), (237, 2194383), (423, 1229477), (591, 879981), (711, 731461), (1773, 293327), (3713, 140067), (6241, 83331), (9259, 56169), (11139, 46689), (15563, 33417), (18723, 27777)]