1648269

素因数分解:

$3^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:61

約数の個数: 56

約数和(自身を含む): 3147840

約数和(自身を除く): 1499571

約数列:

[1, 3, 7, 9, 17, 19, 21, 27, 51, 57, 63, 81, 119, 133, 153, 171, 189, 243, 323, 357, 399, 459, 513, 567, 729, 969, 1071, 1197, 1377, 1539, 1701, 2261, 2907, 3213, 3591, 4131, 4617, 5103, 6783, 8721, 9639, 10773, 12393, 13851, 20349, 26163, 28917, 32319, 61047, 78489, 86751, 96957, 183141, 235467, 549423, 1648269]

約数ペア:

[(1, 1648269), (3, 549423), (7, 235467), (9, 183141), (17, 96957), (19, 86751), (21, 78489), (27, 61047), (51, 32319), (57, 28917), (63, 26163), (81, 20349), (119, 13851), (133, 12393), (153, 10773), (171, 9639), (189, 8721), (243, 6783), (323, 5103), (357, 4617), (399, 4131), (459, 3591), (513, 3213), (567, 2907), (729, 2261), (969, 1701), (1071, 1539), (1197, 1377)]