201916743

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2543}}^1$

素因数の和:2771

約数の個数: 32

約数和(自身を含む): 325632000

約数和(自身を除く): 123715257

約数列:

[1, 3, 7, 19, 21, 57, 133, 199, 399, 597, 1393, 2543, 3781, 4179, 7629, 11343, 17801, 26467, 48317, 53403, 79401, 144951, 338219, 506057, 1014657, 1518171, 3542399, 9615083, 10627197, 28845249, 67305581, 201916743]

約数ペア:

[(1, 201916743), (3, 67305581), (7, 28845249), (19, 10627197), (21, 9615083), (57, 3542399), (133, 1518171), (199, 1014657), (399, 506057), (597, 338219), (1393, 144951), (2543, 79401), (3781, 53403), (4179, 48317), (7629, 26467), (11343, 17801)]