208545615

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1637}}^1$

素因数の和:1816

約数の個数: 48

約数和(自身を含む): 383292000

約数和(自身を除く): 174746385

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 149, 171, 285, 447, 745, 855, 1341, 1637, 2235, 2831, 4911, 6705, 8185, 8493, 14155, 14733, 24555, 25479, 31103, 42465, 73665, 93309, 127395, 155515, 243913, 279927, 466545, 731739, 1219565, 1399635, 2195217, 3658695, 4634347, 10976085, 13903041, 23171735, 41709123, 69515205, 208545615]

約数ペア:

[(1, 208545615), (3, 69515205), (5, 41709123), (9, 23171735), (15, 13903041), (19, 10976085), (45, 4634347), (57, 3658695), (95, 2195217), (149, 1399635), (171, 1219565), (285, 731739), (447, 466545), (745, 279927), (855, 243913), (1341, 155515), (1637, 127395), (2235, 93309), (2831, 73665), (4911, 42465), (6705, 31103), (8185, 25479), (8493, 24555), (14155, 14733)]