13828143

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4951}}^1$

素因数の和:4987

約数の個数: 24

約数和(自身を含む): 22581120

約数和(自身を除く): 8752977

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 4951, 14853, 34657, 94069, 103971, 242599, 282207, 658483, 727797, 1975449, 4609381, 13828143]

約数ペア:

[(1, 13828143), (3, 4609381), (7, 1975449), (19, 727797), (21, 658483), (49, 282207), (57, 242599), (133, 103971), (147, 94069), (399, 34657), (931, 14853), (2793, 4951)]