209713887

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 350784000

約数和(自身を除く): 141070113

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 139, 153, 171, 173, 323, 417, 459, 513, 519, 969, 1251, 1557, 2363, 2641, 2907, 2941, 3287, 3753, 4671, 7089, 7923, 8721, 8823, 9861, 21267, 23769, 24047, 26469, 29583, 44897, 55879, 63801, 71307, 72141, 79407, 88749, 134691, 167637, 216423, 404073, 408799, 456893, 502911, 649269, 1212219, 1226397, 1370679, 1508733, 3679191, 4112037, 7767181, 11037573, 12336111, 23301543, 69904629, 209713887]

約数ペア:

[(1, 209713887), (3, 69904629), (9, 23301543), (17, 12336111), (19, 11037573), (27, 7767181), (51, 4112037), (57, 3679191), (139, 1508733), (153, 1370679), (171, 1226397), (173, 1212219), (323, 649269), (417, 502911), (459, 456893), (513, 408799), (519, 404073), (969, 216423), (1251, 167637), (1557, 134691), (2363, 88749), (2641, 79407), (2907, 72141), (2941, 71307), (3287, 63801), (3753, 55879), (4671, 44897), (7089, 29583), (7923, 26469), (8721, 24047), (8823, 23769), (9861, 21267)]