1991002497

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{12889}}^1$

素因数の和:13085

約数の個数: 32

約数和(自身を含む): 3009454080

約数和(自身を除く): 1018451583

約数列:

[1, 3, 11, 31, 33, 93, 151, 341, 453, 1023, 1661, 4681, 4983, 12889, 14043, 38667, 51491, 141779, 154473, 399559, 425337, 1198677, 1946239, 4395149, 5838717, 13185447, 21408629, 60333409, 64225887, 181000227, 663667499, 1991002497]

約数ペア:

[(1, 1991002497), (3, 663667499), (11, 181000227), (31, 64225887), (33, 60333409), (93, 21408629), (151, 13185447), (341, 5838717), (453, 4395149), (1023, 1946239), (1661, 1198677), (4681, 425337), (4983, 399559), (12889, 154473), (14043, 141779), (38667, 51491)]