134428287

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{3271}}^1$

素因数の和:3403

約数の個数: 32

約数和(自身を含む): 217784320

約数和(自身を除く): 83356033

約数列:

[1, 3, 7, 19, 21, 57, 103, 133, 309, 399, 721, 1957, 2163, 3271, 5871, 9813, 13699, 22897, 41097, 62149, 68691, 186447, 336913, 435043, 1010739, 1305129, 2358391, 6401347, 7075173, 19204041, 44809429, 134428287]

約数ペア:

[(1, 134428287), (3, 44809429), (7, 19204041), (19, 7075173), (21, 6401347), (57, 2358391), (103, 1305129), (133, 1010739), (309, 435043), (399, 336913), (721, 186447), (1957, 68691), (2163, 62149), (3271, 41097), (5871, 22897), (9813, 13699)]