28783035

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 52715520

約数和(自身を除く): 23932485

約数列:

[1, 3, 5, 9, 15, 31, 45, 47, 93, 141, 155, 235, 279, 423, 439, 465, 705, 1317, 1395, 1457, 2115, 2195, 3951, 4371, 6585, 7285, 13113, 13609, 19755, 20633, 21855, 40827, 61899, 65565, 68045, 103165, 122481, 185697, 204135, 309495, 612405, 639623, 928485, 1918869, 3198115, 5756607, 9594345, 28783035]

約数ペア:

[(1, 28783035), (3, 9594345), (5, 5756607), (9, 3198115), (15, 1918869), (31, 928485), (45, 639623), (47, 612405), (93, 309495), (141, 204135), (155, 185697), (235, 122481), (279, 103165), (423, 68045), (439, 65565), (465, 61899), (705, 40827), (1317, 21855), (1395, 20633), (1457, 19755), (2115, 13609), (2195, 13113), (3951, 7285), (4371, 6585)]