195840981

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{673}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 336460800

約数和(自身を除く): 140619819

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 149, 217, 279, 447, 651, 673, 1043, 1341, 1953, 2019, 3129, 4619, 4711, 6057, 9387, 13857, 14133, 20863, 32333, 41571, 42399, 62589, 96999, 100277, 146041, 187767, 290997, 300831, 438123, 701939, 902493, 1314369, 2105817, 3108587, 6317451, 9325761, 21760109, 27977283, 65280327, 195840981]

約数ペア:

[(1, 195840981), (3, 65280327), (7, 27977283), (9, 21760109), (21, 9325761), (31, 6317451), (63, 3108587), (93, 2105817), (149, 1314369), (217, 902493), (279, 701939), (447, 438123), (651, 300831), (673, 290997), (1043, 187767), (1341, 146041), (1953, 100277), (2019, 96999), (3129, 62589), (4619, 42399), (4711, 41571), (6057, 32333), (9387, 20863), (13857, 14133)]