7911981

素因数分解:

$3^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{233}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 14601600

約数和(自身を除く): 6689619

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 233, 343, 441, 539, 693, 699, 1029, 1617, 1631, 2097, 2563, 3087, 3773, 4851, 4893, 7689, 11319, 11417, 14679, 17941, 23067, 33957, 34251, 53823, 79919, 102753, 125587, 161469, 239757, 376761, 719271, 879109, 1130283, 2637327, 7911981]

約数ペア:

[(1, 7911981), (3, 2637327), (7, 1130283), (9, 879109), (11, 719271), (21, 376761), (33, 239757), (49, 161469), (63, 125587), (77, 102753), (99, 79919), (147, 53823), (231, 34251), (233, 33957), (343, 23067), (441, 17941), (539, 14679), (693, 11417), (699, 11319), (1029, 7689), (1617, 4893), (1631, 4851), (2097, 3773), (2563, 3087)]