1640976477

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4112723}}^1$

素因数の和:4112752

約数の個数: 16

約数和(自身を含む): 2632143360

約数和(自身を除く): 991166883

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 4112723, 12338169, 28789061, 78141737, 86367183, 234425211, 546992159, 1640976477]

約数ペア:

[(1, 1640976477), (3, 546992159), (7, 234425211), (19, 86367183), (21, 78141737), (57, 28789061), (133, 12338169), (399, 4112723)]