13307028021

素因数分解:

$3^2\times 7^1\times {\mathrm{211222667}}^1$

素因数の和:211222680

約数の個数: 12

約数和(自身を含む): 21967157472

約数和(自身を除く): 8660129451

約数列:

[1, 3, 7, 9, 21, 63, 211222667, 633668001, 1478558669, 1901004003, 4435676007, 13307028021]

約数ペア:

[(1, 13307028021), (3, 4435676007), (7, 1901004003), (9, 1478558669), (21, 633668001), (63, 211222667)]