199889919

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{499}}^1\times {\mathrm{947}}^1$

素因数の和:1499

約数の個数: 24

約数和(自身を含む): 295776000

約数和(自身を除く): 95886081

約数列:

[1, 3, 9, 47, 141, 423, 499, 947, 1497, 2841, 4491, 8523, 23453, 44509, 70359, 133527, 211077, 400581, 472553, 1417659, 4252977, 22209991, 66629973, 199889919]

約数ペア:

[(1, 199889919), (3, 66629973), (9, 22209991), (47, 4252977), (141, 1417659), (423, 472553), (499, 400581), (947, 211077), (1497, 133527), (2841, 70359), (4491, 44509), (8523, 23453)]