1645490817

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1087}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 2541846528

約数和(自身を除く): 896355711

約数列:

[1, 3, 9, 23, 69, 71, 103, 207, 213, 309, 639, 927, 1087, 1633, 2369, 3261, 4899, 7107, 7313, 9783, 14697, 21321, 21939, 25001, 65817, 75003, 77177, 111961, 168199, 225009, 231531, 335883, 504597, 694593, 1007649, 1513791, 1775071, 2575103, 5325213, 7725309, 7949231, 15975639, 23175927, 23847693, 71543079, 182832313, 548496939, 1645490817]

約数ペア:

[(1, 1645490817), (3, 548496939), (9, 182832313), (23, 71543079), (69, 23847693), (71, 23175927), (103, 15975639), (207, 7949231), (213, 7725309), (309, 5325213), (639, 2575103), (927, 1775071), (1087, 1513791), (1633, 1007649), (2369, 694593), (3261, 504597), (4899, 335883), (7107, 231531), (7313, 225009), (9783, 168199), (14697, 111961), (21321, 77177), (21939, 75003), (25001, 65817)]