1874187

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 3144960

約数和(自身を除く): 1270773

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 419, 497, 639, 1257, 1491, 2933, 3771, 4473, 8799, 26397, 29749, 89247, 208243, 267741, 624729, 1874187]

約数ペア:

[(1, 1874187), (3, 624729), (7, 267741), (9, 208243), (21, 89247), (63, 29749), (71, 26397), (213, 8799), (419, 4473), (497, 3771), (639, 2933), (1257, 1491)]