207979473

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 306270720

約数和(自身を除く): 98291247

約数列:

[1, 3, 13, 39, 53, 159, 239, 421, 689, 717, 1263, 2067, 3107, 5473, 9321, 12667, 16419, 22313, 38001, 66939, 100619, 164671, 290069, 301857, 494013, 870207, 1308047, 3924141, 5332807, 15998421, 69326491, 207979473]

約数ペア:

[(1, 207979473), (3, 69326491), (13, 15998421), (39, 5332807), (53, 3924141), (159, 1308047), (239, 870207), (421, 494013), (689, 301857), (717, 290069), (1263, 164671), (2067, 100619), (3107, 66939), (5473, 38001), (9321, 22313), (12667, 16419)]