16682589

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 32366880

約数和(自身を除く): 15684291

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 49, 57, 63, 77, 99, 133, 147, 171, 181, 209, 231, 399, 441, 539, 543, 627, 693, 931, 1197, 1267, 1463, 1617, 1629, 1881, 1991, 2793, 3439, 3801, 4389, 4851, 5973, 8379, 8869, 10241, 10317, 11403, 13167, 13937, 17919, 24073, 26607, 30723, 30951, 37829, 41811, 72219, 79821, 92169, 97559, 113487, 125433, 168511, 216657, 264803, 292677, 340461, 505533, 794409, 878031, 1516599, 1853621, 2383227, 5560863, 16682589]

約数ペア:

[(1, 16682589), (3, 5560863), (7, 2383227), (9, 1853621), (11, 1516599), (19, 878031), (21, 794409), (33, 505533), (49, 340461), (57, 292677), (63, 264803), (77, 216657), (99, 168511), (133, 125433), (147, 113487), (171, 97559), (181, 92169), (209, 79821), (231, 72219), (399, 41811), (441, 37829), (539, 30951), (543, 30723), (627, 26607), (693, 24073), (931, 17919), (1197, 13937), (1267, 13167), (1463, 11403), (1617, 10317), (1629, 10241), (1881, 8869), (1991, 8379), (2793, 5973), (3439, 4851), (3801, 4389)]