16796187

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 64

約数和(自身を含む): 28892160

約数和(自身を除く): 12095973

約数列:

[1, 3, 9, 17, 23, 27, 37, 43, 51, 69, 111, 129, 153, 207, 333, 387, 391, 459, 621, 629, 731, 851, 989, 999, 1161, 1173, 1591, 1887, 2193, 2553, 2967, 3519, 4773, 5661, 6579, 7659, 8901, 10557, 14319, 14467, 16813, 16983, 19737, 22977, 26703, 27047, 36593, 42957, 43401, 50439, 81141, 109779, 130203, 151317, 243423, 329337, 390609, 453951, 622081, 730269, 988011, 1866243, 5598729, 16796187]

約数ペア:

[(1, 16796187), (3, 5598729), (9, 1866243), (17, 988011), (23, 730269), (27, 622081), (37, 453951), (43, 390609), (51, 329337), (69, 243423), (111, 151317), (129, 130203), (153, 109779), (207, 81141), (333, 50439), (387, 43401), (391, 42957), (459, 36593), (621, 27047), (629, 26703), (731, 22977), (851, 19737), (989, 16983), (999, 16813), (1161, 14467), (1173, 14319), (1591, 10557), (1887, 8901), (2193, 7659), (2553, 6579), (2967, 5661), (3519, 4773)]