2185911

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 4140864

約数和(自身を除く): 1954953

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 157, 221, 273, 357, 471, 663, 819, 1071, 1099, 1413, 1547, 1989, 2041, 2669, 3297, 4641, 6123, 8007, 9891, 13923, 14287, 18369, 18683, 24021, 34697, 42861, 56049, 104091, 128583, 168147, 242879, 312273, 728637, 2185911]

約数ペア:

[(1, 2185911), (3, 728637), (7, 312273), (9, 242879), (13, 168147), (17, 128583), (21, 104091), (39, 56049), (51, 42861), (63, 34697), (91, 24021), (117, 18683), (119, 18369), (153, 14287), (157, 13923), (221, 9891), (273, 8007), (357, 6123), (471, 4641), (663, 3297), (819, 2669), (1071, 2041), (1099, 1989), (1413, 1547)]