1805247

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:74

約数の個数: 48

約数和(自身を含む): 3144960

約数和(自身を除く): 1339713

約数列:

[1, 3, 9, 17, 19, 23, 27, 51, 57, 69, 81, 153, 171, 207, 243, 323, 391, 437, 459, 513, 621, 969, 1173, 1311, 1377, 1539, 1863, 2907, 3519, 3933, 4131, 4617, 5589, 7429, 8721, 10557, 11799, 22287, 26163, 31671, 35397, 66861, 78489, 95013, 106191, 200583, 601749, 1805247]

約数ペア:

[(1, 1805247), (3, 601749), (9, 200583), (17, 106191), (19, 95013), (23, 78489), (27, 66861), (51, 35397), (57, 31671), (69, 26163), (81, 22287), (153, 11799), (171, 10557), (207, 8721), (243, 7429), (323, 5589), (391, 4617), (437, 4131), (459, 3933), (513, 3519), (621, 2907), (969, 1863), (1173, 1539), (1311, 1377)]