121419975

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{613}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 213180800

約数和(自身を除く): 91760825

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 139, 285, 417, 475, 613, 695, 1425, 1839, 2085, 2641, 3065, 3475, 7923, 9195, 10425, 11647, 13205, 15325, 34941, 39615, 45975, 58235, 66025, 85207, 174705, 198075, 255621, 291175, 426035, 873525, 1278105, 1618933, 2130175, 4856799, 6390525, 8094665, 24283995, 40473325, 121419975]

約数ペア:

[(1, 121419975), (3, 40473325), (5, 24283995), (15, 8094665), (19, 6390525), (25, 4856799), (57, 2130175), (75, 1618933), (95, 1278105), (139, 873525), (285, 426035), (417, 291175), (475, 255621), (613, 198075), (695, 174705), (1425, 85207), (1839, 66025), (2085, 58235), (2641, 45975), (3065, 39615), (3475, 34941), (7923, 15325), (9195, 13205), (10425, 11647)]