71350377

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 123770880

約数和(自身を除く): 52420503

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 67, 119, 133, 157, 201, 323, 357, 399, 469, 471, 969, 1099, 1139, 1273, 1407, 2261, 2669, 2983, 3297, 3417, 3819, 6783, 7973, 8007, 8911, 8949, 10519, 18683, 20881, 21641, 23919, 26733, 31557, 50711, 56049, 62643, 64923, 73633, 151487, 152133, 178823, 199861, 220899, 354977, 454461, 536469, 599583, 1064931, 1251761, 1399027, 3397637, 3755283, 4197081, 10192911, 23783459, 71350377]

約数ペア:

[(1, 71350377), (3, 23783459), (7, 10192911), (17, 4197081), (19, 3755283), (21, 3397637), (51, 1399027), (57, 1251761), (67, 1064931), (119, 599583), (133, 536469), (157, 454461), (201, 354977), (323, 220899), (357, 199861), (399, 178823), (469, 152133), (471, 151487), (969, 73633), (1099, 64923), (1139, 62643), (1273, 56049), (1407, 50711), (2261, 31557), (2669, 26733), (2983, 23919), (3297, 21641), (3417, 20881), (3819, 18683), (6783, 10519), (7973, 8949), (8007, 8911)]