156943521

素因数分解:

$3^3\times 7^2\times {\mathrm{313}}^1\times {\mathrm{379}}^1$

素因数の和:715

約数の個数: 48

約数和(自身を含む): 272049600

約数和(自身を除く): 115106079

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 313, 379, 441, 939, 1137, 1323, 2191, 2653, 2817, 3411, 6573, 7959, 8451, 10233, 15337, 18571, 19719, 23877, 46011, 55713, 59157, 71631, 118627, 138033, 167139, 355881, 414099, 501417, 830389, 1067643, 2491167, 3202929, 5812723, 7473501, 17438169, 22420503, 52314507, 156943521]

約数ペア:

[(1, 156943521), (3, 52314507), (7, 22420503), (9, 17438169), (21, 7473501), (27, 5812723), (49, 3202929), (63, 2491167), (147, 1067643), (189, 830389), (313, 501417), (379, 414099), (441, 355881), (939, 167139), (1137, 138033), (1323, 118627), (2191, 71631), (2653, 59157), (2817, 55713), (3411, 46011), (6573, 23877), (7959, 19719), (8451, 18571), (10233, 15337)]