670857579

素因数分解:

$3^3\times 7^3\times {\mathrm{107}}^1\times {\mathrm{677}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 1171584000

約数和(自身を除く): 500726421

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 107, 147, 189, 321, 343, 441, 677, 749, 963, 1029, 1323, 2031, 2247, 2889, 3087, 4739, 5243, 6093, 6741, 9261, 14217, 15729, 18279, 20223, 33173, 36701, 42651, 47187, 72439, 99519, 110103, 127953, 141561, 217317, 232211, 298557, 330309, 507073, 651951, 696633, 895671, 990927, 1521219, 1955853, 2089899, 3549511, 4563657, 6269697, 10648533, 13690971, 24846577, 31945599, 74539731, 95836797, 223619193, 670857579]

約数ペア:

[(1, 670857579), (3, 223619193), (7, 95836797), (9, 74539731), (21, 31945599), (27, 24846577), (49, 13690971), (63, 10648533), (107, 6269697), (147, 4563657), (189, 3549511), (321, 2089899), (343, 1955853), (441, 1521219), (677, 990927), (749, 895671), (963, 696633), (1029, 651951), (1323, 507073), (2031, 330309), (2247, 298557), (2889, 232211), (3087, 217317), (4739, 141561), (5243, 127953), (6093, 110103), (6741, 99519), (9261, 72439), (14217, 47187), (15729, 42651), (18279, 36701), (20223, 33173)]