1790313

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 2927520

約数和(自身を除く): 1137207

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 641, 931, 1923, 2793, 4487, 12179, 13461, 31409, 36537, 85253, 94227, 255759, 596771, 1790313]

約数ペア:

[(1, 1790313), (3, 596771), (7, 255759), (19, 94227), (21, 85253), (49, 36537), (57, 31409), (133, 13461), (147, 12179), (399, 4487), (641, 2793), (931, 1923)]