408972681

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{5647}}^1$

素因数の和:6285

約数の個数: 24

約数和(自身を含む): 637320320

約数和(自身を除く): 228347639

約数列:

[1, 3, 9, 13, 39, 117, 619, 1857, 5571, 5647, 8047, 16941, 24141, 50823, 72423, 73411, 220233, 660699, 3495493, 10486479, 31459437, 45441409, 136324227, 408972681]

約数ペア:

[(1, 408972681), (3, 136324227), (9, 45441409), (13, 31459437), (39, 10486479), (117, 3495493), (619, 660699), (1857, 220233), (5571, 73411), (5647, 72423), (8047, 50823), (16941, 24141)]