172808085

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{1949}}^1$

素因数の和:2237

約数の個数: 32

約数和(自身を含む): 289785600

約数和(自身を除く): 116977515

約数列:

[1, 3, 5, 15, 23, 69, 115, 257, 345, 771, 1285, 1949, 3855, 5847, 5911, 9745, 17733, 29235, 29555, 44827, 88665, 134481, 224135, 500893, 672405, 1502679, 2504465, 7513395, 11520539, 34561617, 57602695, 172808085]

約数ペア:

[(1, 172808085), (3, 57602695), (5, 34561617), (15, 11520539), (23, 7513395), (69, 2504465), (115, 1502679), (257, 672405), (345, 500893), (771, 224135), (1285, 134481), (1949, 88665), (3855, 44827), (5847, 29555), (5911, 29235), (9745, 17733)]