207684405

素因数分解:

$3^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2657}}^1$

素因数の和:2867

約数の個数: 40

約数和(自身を含む): 374363352

約数和(自身を除く): 166678947

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 193, 405, 579, 965, 1737, 2657, 2895, 5211, 7971, 8685, 13285, 15633, 23913, 26055, 39855, 71739, 78165, 119565, 215217, 358695, 512801, 1076085, 1538403, 2564005, 4615209, 7692015, 13845627, 23076045, 41536881, 69228135, 207684405]

約数ペア:

[(1, 207684405), (3, 69228135), (5, 41536881), (9, 23076045), (15, 13845627), (27, 7692015), (45, 4615209), (81, 2564005), (135, 1538403), (193, 1076085), (405, 512801), (579, 358695), (965, 215217), (1737, 119565), (2657, 78165), (2895, 71739), (5211, 39855), (7971, 26055), (8685, 23913), (13285, 15633)]