251983395

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{887}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 448830720

約数和(自身を除く): 196847325

約数列:

[1, 3, 5, 9, 15, 45, 59, 107, 177, 295, 321, 531, 535, 885, 887, 963, 1605, 2655, 2661, 4435, 4815, 6313, 7983, 13305, 18939, 31565, 39915, 52333, 56817, 94695, 94909, 156999, 261665, 284085, 284727, 470997, 474545, 784995, 854181, 1423635, 2354985, 4270905, 5599631, 16798893, 27998155, 50396679, 83994465, 251983395]

約数ペア:

[(1, 251983395), (3, 83994465), (5, 50396679), (9, 27998155), (15, 16798893), (45, 5599631), (59, 4270905), (107, 2354985), (177, 1423635), (295, 854181), (321, 784995), (531, 474545), (535, 470997), (885, 284727), (887, 284085), (963, 261665), (1605, 156999), (2655, 94909), (2661, 94695), (4435, 56817), (4815, 52333), (6313, 39915), (7983, 31565), (13305, 18939)]