391159377

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 660172032

約数和(自身を除く): 269012655

約数列:

[1, 3, 7, 9, 21, 63, 71, 157, 213, 471, 497, 557, 639, 1099, 1413, 1491, 1671, 3297, 3899, 4473, 5013, 9891, 11147, 11697, 33441, 35091, 39547, 78029, 87449, 100323, 118641, 234087, 262347, 276829, 355923, 612143, 702261, 787041, 830487, 1836429, 2491461, 5509287, 6208879, 18626637, 43462153, 55879911, 130386459, 391159377]

約数ペア:

[(1, 391159377), (3, 130386459), (7, 55879911), (9, 43462153), (21, 18626637), (63, 6208879), (71, 5509287), (157, 2491461), (213, 1836429), (471, 830487), (497, 787041), (557, 702261), (639, 612143), (1099, 355923), (1413, 276829), (1491, 262347), (1671, 234087), (3297, 118641), (3899, 100323), (4473, 87449), (5013, 78029), (9891, 39547), (11147, 35091), (11697, 33441)]