72281985

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{11027}}^1$

素因数の和:11077

約数の個数: 32

約数和(自身を含む): 127042560

約数和(自身を除く): 54760575

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 6555, 11027, 33081, 55135, 165405, 209513, 253621, 628539, 760863, 1047565, 1268105, 3142695, 3804315, 4818799, 14456397, 24093995, 72281985]

約数ペア:

[(1, 72281985), (3, 24093995), (5, 14456397), (15, 4818799), (19, 3804315), (23, 3142695), (57, 1268105), (69, 1047565), (95, 760863), (115, 628539), (285, 253621), (345, 209513), (437, 165405), (1311, 55135), (2185, 33081), (6555, 11027)]