13409991

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 24710400

約数和(自身を除く): 11300409

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 399, 659, 969, 1071, 1197, 1977, 2261, 2907, 4613, 5931, 6783, 11203, 12521, 13839, 20349, 33609, 37563, 41517, 78421, 87647, 100827, 112689, 212857, 235263, 262941, 638571, 705789, 788823, 1489999, 1915713, 4469997, 13409991]

約数ペア:

[(1, 13409991), (3, 4469997), (7, 1915713), (9, 1489999), (17, 788823), (19, 705789), (21, 638571), (51, 262941), (57, 235263), (63, 212857), (119, 112689), (133, 100827), (153, 87647), (171, 78421), (323, 41517), (357, 37563), (399, 33609), (659, 20349), (969, 13839), (1071, 12521), (1197, 11203), (1977, 6783), (2261, 5931), (2907, 4613)]