890641563

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{3517}}^1$

素因数の和:3947

約数の個数: 32

約数和(自身を含む): 1404948480

約数和(自身を除く): 514306917

約数列:

[1, 3, 7, 21, 31, 93, 217, 389, 651, 1167, 2723, 3517, 8169, 10551, 12059, 24619, 36177, 73857, 84413, 109027, 253239, 327081, 763189, 1368113, 2289567, 4104339, 9576791, 28730373, 42411503, 127234509, 296880521, 890641563]

約数ペア:

[(1, 890641563), (3, 296880521), (7, 127234509), (21, 42411503), (31, 28730373), (93, 9576791), (217, 4104339), (389, 2289567), (651, 1368113), (1167, 763189), (2723, 327081), (3517, 253239), (8169, 109027), (10551, 84413), (12059, 73857), (24619, 36177)]