66319281

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1237}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 117421824

約数和(自身を除く): 51102543

約数列:

[1, 3, 7, 9, 21, 23, 37, 63, 69, 111, 161, 207, 259, 333, 483, 777, 851, 1237, 1449, 2331, 2553, 3711, 5957, 7659, 8659, 11133, 17871, 25977, 28451, 45769, 53613, 77931, 85353, 137307, 199157, 256059, 320383, 411921, 597471, 961149, 1052687, 1792413, 2883447, 3158061, 7368809, 9474183, 22106427, 66319281]

約数ペア:

[(1, 66319281), (3, 22106427), (7, 9474183), (9, 7368809), (21, 3158061), (23, 2883447), (37, 1792413), (63, 1052687), (69, 961149), (111, 597471), (161, 411921), (207, 320383), (259, 256059), (333, 199157), (483, 137307), (777, 85353), (851, 77931), (1237, 53613), (1449, 45769), (2331, 28451), (2553, 25977), (3711, 17871), (5957, 11133), (7659, 8659)]