18270765

素因数分解:

$3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:443

約数の個数: 40

約数和(自身を含む): 33062040

約数和(自身を除く): 14791275

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 197, 229, 405, 591, 687, 985, 1145, 1773, 2061, 2955, 3435, 5319, 6183, 8865, 10305, 15957, 18549, 26595, 30915, 45113, 79785, 92745, 135339, 225565, 406017, 676695, 1218051, 2030085, 3654153, 6090255, 18270765]

約数ペア:

[(1, 18270765), (3, 6090255), (5, 3654153), (9, 2030085), (15, 1218051), (27, 676695), (45, 406017), (81, 225565), (135, 135339), (197, 92745), (229, 79785), (405, 45113), (591, 30915), (687, 26595), (985, 18549), (1145, 15957), (1773, 10305), (2061, 8865), (2955, 6183), (3435, 5319)]