16938471

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 25694208

約数和(自身を除く): 8755737

約数列:

[1, 3, 11, 33, 47, 67, 141, 163, 201, 489, 517, 737, 1551, 1793, 2211, 3149, 5379, 7661, 9447, 10921, 22983, 32763, 34639, 84271, 103917, 120131, 252813, 360393, 513287, 1539861, 5646157, 16938471]

約数ペア:

[(1, 16938471), (3, 5646157), (11, 1539861), (33, 513287), (47, 360393), (67, 252813), (141, 120131), (163, 103917), (201, 84271), (489, 34639), (517, 32763), (737, 22983), (1551, 10921), (1793, 9447), (2211, 7661), (3149, 5379)]