1640235

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2543}}^1$

素因数の和:2594

約数の個数: 16

約数和(自身を含む): 2686464

約数和(自身を除く): 1046229

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 2543, 7629, 12715, 38145, 109349, 328047, 546745, 1640235]

約数ペア:

[(1, 1640235), (3, 546745), (5, 328047), (15, 109349), (43, 38145), (129, 12715), (215, 7629), (645, 2543)]