2457987

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{727}}^1$

素因数の和:767

約数の個数: 24

約数和(自身を含む): 3983616

約数和(自身を除く): 1525629

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 727, 1127, 2181, 3381, 5089, 15267, 16721, 35623, 50163, 106869, 117047, 351141, 819329, 2457987]

約数ペア:

[(1, 2457987), (3, 819329), (7, 351141), (21, 117047), (23, 106869), (49, 50163), (69, 35623), (147, 16721), (161, 15267), (483, 5089), (727, 3381), (1127, 2181)]