207339951

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 363847680

約数和(自身を除く): 156507729

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 71, 91, 133, 213, 247, 273, 399, 497, 563, 741, 923, 1349, 1491, 1689, 1729, 2769, 3941, 4047, 5187, 6461, 7319, 9443, 10697, 11823, 17537, 19383, 21957, 28329, 32091, 39973, 51233, 52611, 74879, 119919, 122759, 139061, 153699, 224637, 279811, 368277, 417183, 519649, 759487, 839433, 973427, 1558947, 2278461, 2920281, 3637543, 5316409, 9873331, 10912629, 15949227, 29619993, 69113317, 207339951]

約数ペア:

[(1, 207339951), (3, 69113317), (7, 29619993), (13, 15949227), (19, 10912629), (21, 9873331), (39, 5316409), (57, 3637543), (71, 2920281), (91, 2278461), (133, 1558947), (213, 973427), (247, 839433), (273, 759487), (399, 519649), (497, 417183), (563, 368277), (741, 279811), (923, 224637), (1349, 153699), (1491, 139061), (1689, 122759), (1729, 119919), (2769, 74879), (3941, 52611), (4047, 51233), (5187, 39973), (6461, 32091), (7319, 28329), (9443, 21957), (10697, 19383), (11823, 17537)]