291237843

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{691}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 426892032

約数和(自身を除く): 135654189

約数列:

[1, 3, 13, 39, 101, 107, 303, 321, 691, 1313, 1391, 2073, 3939, 4173, 8983, 10807, 26949, 32421, 69791, 73937, 140491, 209373, 221811, 421473, 907283, 961181, 2721849, 2883543, 7467637, 22402911, 97079281, 291237843]

約数ペア:

[(1, 291237843), (3, 97079281), (13, 22402911), (39, 7467637), (101, 2883543), (107, 2721849), (303, 961181), (321, 907283), (691, 421473), (1313, 221811), (1391, 209373), (2073, 140491), (3939, 73937), (4173, 69791), (8983, 32421), (10807, 26949)]