231819

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:119

約数の個数: 24

約数和(自身を含む): 383040

約数和(自身を除く): 151221

約数列:

[1, 3, 7, 19, 21, 49, 57, 83, 133, 147, 249, 399, 581, 931, 1577, 1743, 2793, 4067, 4731, 11039, 12201, 33117, 77273, 231819]

約数ペア:

[(1, 231819), (3, 77273), (7, 33117), (19, 12201), (21, 11039), (49, 4731), (57, 4067), (83, 2793), (133, 1743), (147, 1577), (249, 931), (399, 581)]