279997155

素因数分解:

$3^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{3019}}^1$

素因数の和:3265

約数の個数: 40

約数和(自身を含む): 504279600

約数和(自身を除く): 224282445

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 229, 405, 687, 1145, 2061, 3019, 3435, 6183, 9057, 10305, 15095, 18549, 27171, 30915, 45285, 81513, 92745, 135855, 244539, 407565, 691351, 1222695, 2074053, 3456755, 6222159, 10370265, 18666477, 31110795, 55999431, 93332385, 279997155]

約数ペア:

[(1, 279997155), (3, 93332385), (5, 55999431), (9, 31110795), (15, 18666477), (27, 10370265), (45, 6222159), (81, 3456755), (135, 2074053), (229, 1222695), (405, 691351), (687, 407565), (1145, 244539), (2061, 135855), (3019, 92745), (3435, 81513), (6183, 45285), (9057, 30915), (10305, 27171), (15095, 18549)]