47671281

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 87989760

約数和(自身を除く): 40318479

約数列:

[1, 3, 7, 9, 17, 21, 27, 37, 51, 63, 111, 119, 153, 189, 259, 333, 357, 401, 459, 629, 777, 999, 1071, 1203, 1887, 2331, 2807, 3213, 3609, 4403, 5661, 6817, 6993, 8421, 10827, 13209, 14837, 16983, 20451, 25263, 39627, 44511, 47719, 61353, 75789, 103859, 118881, 133533, 143157, 184059, 252229, 311577, 400599, 429471, 756687, 934731, 1288413, 1765603, 2270061, 2804193, 5296809, 6810183, 15890427, 47671281]

約数ペア:

[(1, 47671281), (3, 15890427), (7, 6810183), (9, 5296809), (17, 2804193), (21, 2270061), (27, 1765603), (37, 1288413), (51, 934731), (63, 756687), (111, 429471), (119, 400599), (153, 311577), (189, 252229), (259, 184059), (333, 143157), (357, 133533), (401, 118881), (459, 103859), (629, 75789), (777, 61353), (999, 47719), (1071, 44511), (1203, 39627), (1887, 25263), (2331, 20451), (2807, 16983), (3213, 14837), (3609, 13209), (4403, 10827), (5661, 8421), (6817, 6993)]