207908217

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{269}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 339318720

約数和(自身を除く): 131410503

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 211, 269, 333, 407, 633, 807, 1221, 1899, 2321, 2421, 2959, 3663, 6963, 7807, 8877, 9953, 20889, 23421, 26631, 29859, 56759, 70263, 85877, 89577, 109483, 170277, 257631, 328449, 510831, 624349, 772893, 985347, 1873047, 2100083, 5619141, 6300249, 18900747, 23100913, 69302739, 207908217]

約数ペア:

[(1, 207908217), (3, 69302739), (9, 23100913), (11, 18900747), (33, 6300249), (37, 5619141), (99, 2100083), (111, 1873047), (211, 985347), (269, 772893), (333, 624349), (407, 510831), (633, 328449), (807, 257631), (1221, 170277), (1899, 109483), (2321, 89577), (2421, 85877), (2959, 70263), (3663, 56759), (6963, 29859), (7807, 26631), (8877, 23421), (9953, 20889)]