289079889

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{431}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 476375040

約数和(自身を除く): 187295151

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 431, 779, 861, 1293, 1681, 2337, 3017, 5043, 5453, 8189, 9051, 11767, 16359, 17671, 24567, 31939, 35301, 53013, 57323, 95817, 123697, 171969, 223573, 335749, 371091, 670719, 724511, 1007247, 2173533, 2350243, 5071577, 7050729, 13765709, 15214731, 41297127, 96359963, 289079889]

約数ペア:

[(1, 289079889), (3, 96359963), (7, 41297127), (19, 15214731), (21, 13765709), (41, 7050729), (57, 5071577), (123, 2350243), (133, 2173533), (287, 1007247), (399, 724511), (431, 670719), (779, 371091), (861, 335749), (1293, 223573), (1681, 171969), (2337, 123697), (3017, 95817), (5043, 57323), (5453, 53013), (8189, 35301), (9051, 31939), (11767, 24567), (16359, 17671)]