51408357

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:123

約数の個数: 128

約数和(自身を含む): 104509440

約数和(自身を除く): 53101083

約数列:

[1, 3, 7, 11, 13, 17, 19, 21, 33, 39, 51, 53, 57, 77, 91, 119, 133, 143, 159, 187, 209, 221, 231, 247, 273, 323, 357, 371, 399, 429, 561, 583, 627, 663, 689, 741, 901, 969, 1001, 1007, 1113, 1309, 1463, 1547, 1729, 1749, 2067, 2261, 2431, 2703, 2717, 3003, 3021, 3553, 3927, 4081, 4199, 4389, 4641, 4823, 5187, 6307, 6783, 7049, 7293, 7579, 8151, 9911, 10659, 11077, 11713, 12243, 12597, 13091, 14469, 17017, 17119, 18921, 19019, 21147, 22737, 24871, 29393, 29733, 33231, 35139, 39273, 46189, 51051, 51357, 53053, 57057, 69377, 74613, 77539, 81991, 88179, 91637, 119833, 128843, 138567, 144001, 159159, 188309, 208131, 222547, 232617, 245973, 274911, 323323, 359499, 386529, 432003, 564927, 667641, 901901, 969969, 1008007, 1318163, 1557829, 2448017, 2705703, 3024021, 3954489, 4673487, 7344051, 17136119, 51408357]

約数ペア:

[(1, 51408357), (3, 17136119), (7, 7344051), (11, 4673487), (13, 3954489), (17, 3024021), (19, 2705703), (21, 2448017), (33, 1557829), (39, 1318163), (51, 1008007), (53, 969969), (57, 901901), (77, 667641), (91, 564927), (119, 432003), (133, 386529), (143, 359499), (159, 323323), (187, 274911), (209, 245973), (221, 232617), (231, 222547), (247, 208131), (273, 188309), (323, 159159), (357, 144001), (371, 138567), (399, 128843), (429, 119833), (561, 91637), (583, 88179), (627, 81991), (663, 77539), (689, 74613), (741, 69377), (901, 57057), (969, 53053), (1001, 51357), (1007, 51051), (1113, 46189), (1309, 39273), (1463, 35139), (1547, 33231), (1729, 29733), (1749, 29393), (2067, 24871), (2261, 22737), (2431, 21147), (2703, 19019), (2717, 18921), (3003, 17119), (3021, 17017), (3553, 14469), (3927, 13091), (4081, 12597), (4199, 12243), (4389, 11713), (4641, 11077), (4823, 10659), (5187, 9911), (6307, 8151), (6783, 7579), (7049, 7293)]