26828475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 47556480

約数和(自身を除く): 20728005

約数列:

[1, 3, 5, 15, 19, 25, 57, 67, 75, 95, 201, 281, 285, 335, 475, 843, 1005, 1273, 1405, 1425, 1675, 3819, 4215, 5025, 5339, 6365, 7025, 16017, 18827, 19095, 21075, 26695, 31825, 56481, 80085, 94135, 95475, 133475, 282405, 357713, 400425, 470675, 1073139, 1412025, 1788565, 5365695, 8942825, 26828475]

約数ペア:

[(1, 26828475), (3, 8942825), (5, 5365695), (15, 1788565), (19, 1412025), (25, 1073139), (57, 470675), (67, 400425), (75, 357713), (95, 282405), (201, 133475), (281, 95475), (285, 94135), (335, 80085), (475, 56481), (843, 31825), (1005, 26695), (1273, 21075), (1405, 19095), (1425, 18827), (1675, 16017), (3819, 7025), (4215, 6365), (5025, 5339)]