20170318077

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{346873}}^1$

素因数の和:346970

約数の個数: 48

約数和(自身を含む): 36363495168

約数和(自身を除く): 16193177091

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 71, 91, 117, 213, 273, 497, 639, 819, 923, 1491, 2769, 4473, 6461, 8307, 19383, 58149, 346873, 1040619, 2428111, 3121857, 4509349, 7284333, 13528047, 21852999, 24627983, 31565443, 40584141, 73883949, 94696329, 172395881, 221651847, 284088987, 320163779, 517187643, 960491337, 1551562929, 2241146453, 2881474011, 6723439359, 20170318077]

約数ペア:

[(1, 20170318077), (3, 6723439359), (7, 2881474011), (9, 2241146453), (13, 1551562929), (21, 960491337), (39, 517187643), (63, 320163779), (71, 284088987), (91, 221651847), (117, 172395881), (213, 94696329), (273, 73883949), (497, 40584141), (639, 31565443), (819, 24627983), (923, 21852999), (1491, 13528047), (2769, 7284333), (4473, 4509349), (6461, 3121857), (8307, 2428111), (19383, 1040619), (58149, 346873)]