16404201

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:81

約数の個数: 72

約数和(自身を含む): 29955744

約数和(自身を除く): 13551543

約数列:

[1, 3, 9, 11, 17, 19, 27, 33, 51, 57, 81, 99, 153, 171, 187, 209, 243, 297, 323, 361, 459, 513, 561, 627, 891, 969, 1083, 1377, 1539, 1683, 1881, 2673, 2907, 3249, 3553, 3971, 4131, 4617, 5049, 5643, 6137, 8721, 9747, 10659, 11913, 15147, 16929, 18411, 26163, 29241, 31977, 35739, 45441, 50787, 55233, 67507, 78489, 87723, 95931, 107217, 165699, 202521, 287793, 321651, 497097, 607563, 863379, 964953, 1491291, 1822689, 5468067, 16404201]

約数ペア:

[(1, 16404201), (3, 5468067), (9, 1822689), (11, 1491291), (17, 964953), (19, 863379), (27, 607563), (33, 497097), (51, 321651), (57, 287793), (81, 202521), (99, 165699), (153, 107217), (171, 95931), (187, 87723), (209, 78489), (243, 67507), (297, 55233), (323, 50787), (361, 45441), (459, 35739), (513, 31977), (561, 29241), (627, 26163), (891, 18411), (969, 16929), (1083, 15147), (1377, 11913), (1539, 10659), (1683, 9747), (1881, 8721), (2673, 6137), (2907, 5643), (3249, 5049), (3553, 4617), (3971, 4131)]