389620707

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{701}}^1$

素因数の和:936

約数の個数: 48

約数和(自身を含む): 640224000

約数和(自身を除く): 250603293

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 199, 399, 597, 701, 931, 1393, 2103, 2793, 3781, 4179, 4907, 9751, 11343, 13319, 14721, 26467, 29253, 34349, 39957, 79401, 93233, 103047, 139499, 185269, 279699, 418497, 555807, 652631, 976493, 1957893, 2650481, 2929479, 6835451, 7951443, 18553367, 20506353, 55660101, 129873569, 389620707]

約数ペア:

[(1, 389620707), (3, 129873569), (7, 55660101), (19, 20506353), (21, 18553367), (49, 7951443), (57, 6835451), (133, 2929479), (147, 2650481), (199, 1957893), (399, 976493), (597, 652631), (701, 555807), (931, 418497), (1393, 279699), (2103, 185269), (2793, 139499), (3781, 103047), (4179, 93233), (4907, 79401), (9751, 39957), (11343, 34349), (13319, 29253), (14721, 26467)]