28428465

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7673}}^1$

素因数の和:7713

約数の個数: 32

約数和(自身を含む): 51569280

約数和(自身を除く): 23140815

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 7673, 23019, 38365, 99749, 115095, 145787, 299247, 437361, 498745, 728935, 1496235, 1895231, 2186805, 5685693, 9476155, 28428465]

約数ペア:

[(1, 28428465), (3, 9476155), (5, 5685693), (13, 2186805), (15, 1895231), (19, 1496235), (39, 728935), (57, 498745), (65, 437361), (95, 299247), (195, 145787), (247, 115095), (285, 99749), (741, 38365), (1235, 23019), (3705, 7673)]