16161975

素因数分解:

$3^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:784

約数の個数: 36

約数和(自身を含む): 29257800

約数和(自身を除く): 13095825

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 109, 225, 327, 545, 659, 981, 1635, 1977, 2725, 3295, 4905, 5931, 8175, 9885, 16475, 24525, 29655, 49425, 71831, 148275, 215493, 359155, 646479, 1077465, 1795775, 3232395, 5387325, 16161975]

約数ペア:

[(1, 16161975), (3, 5387325), (5, 3232395), (9, 1795775), (15, 1077465), (25, 646479), (45, 359155), (75, 215493), (109, 148275), (225, 71831), (327, 49425), (545, 29655), (659, 24525), (981, 16475), (1635, 9885), (1977, 8175), (2725, 5931), (3295, 4905)]