51457833

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{42989}}^1$

素因数の和:43021

約数の個数: 24

約数和(自身を含む): 89419200

約数和(自身を除く): 37961367

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 42989, 128967, 300923, 386901, 816791, 902769, 2450373, 2708307, 5717537, 7351119, 17152611, 51457833]

約数ペア:

[(1, 51457833), (3, 17152611), (7, 7351119), (9, 5717537), (19, 2708307), (21, 2450373), (57, 902769), (63, 816791), (133, 386901), (171, 300923), (399, 128967), (1197, 42989)]