210974127

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 362471424

約数和(自身を除く): 151497297

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 97, 217, 257, 273, 291, 403, 651, 679, 771, 1209, 1261, 1799, 2037, 2821, 3007, 3341, 3783, 5397, 7967, 8463, 8827, 9021, 10023, 21049, 23387, 23901, 24929, 26481, 39091, 55769, 63147, 70161, 74787, 103571, 117273, 167307, 174503, 273637, 310713, 324077, 523509, 724997, 772799, 820911, 972231, 2174991, 2268539, 2318397, 5409593, 6805617, 10046387, 16228779, 30139161, 70324709, 210974127]

約数ペア:

[(1, 210974127), (3, 70324709), (7, 30139161), (13, 16228779), (21, 10046387), (31, 6805617), (39, 5409593), (91, 2318397), (93, 2268539), (97, 2174991), (217, 972231), (257, 820911), (273, 772799), (291, 724997), (403, 523509), (651, 324077), (679, 310713), (771, 273637), (1209, 174503), (1261, 167307), (1799, 117273), (2037, 103571), (2821, 74787), (3007, 70161), (3341, 63147), (3783, 55769), (5397, 39091), (7967, 26481), (8463, 24929), (8827, 23901), (9021, 23387), (10023, 21049)]