290996937

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{269}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 537788160

約数和(自身を除く): 246791223

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 223, 231, 269, 441, 539, 669, 693, 807, 1561, 1617, 1883, 2007, 2421, 2453, 2959, 4683, 4851, 5649, 7359, 8877, 10927, 13181, 14049, 16947, 17171, 20713, 22077, 26631, 32781, 39543, 51513, 59987, 62139, 98343, 118629, 120197, 144991, 154539, 179961, 186417, 360591, 419909, 434973, 539883, 659857, 1081773, 1259727, 1304919, 1979571, 2939363, 3779181, 4618999, 5938713, 8818089, 13856997, 26454267, 32332993, 41570991, 96998979, 290996937]

約数ペア:

[(1, 290996937), (3, 96998979), (7, 41570991), (9, 32332993), (11, 26454267), (21, 13856997), (33, 8818089), (49, 5938713), (63, 4618999), (77, 3779181), (99, 2939363), (147, 1979571), (223, 1304919), (231, 1259727), (269, 1081773), (441, 659857), (539, 539883), (669, 434973), (693, 419909), (807, 360591), (1561, 186417), (1617, 179961), (1883, 154539), (2007, 144991), (2421, 120197), (2453, 118629), (2959, 98343), (4683, 62139), (4851, 59987), (5649, 51513), (7359, 39543), (8877, 32781), (10927, 26631), (13181, 22077), (14049, 20713), (16947, 17171)]