249901491

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{3779}}^1$

素因数の和:3903

約数の個数: 32

約数和(自身を含む): 394813440

約数和(自身を除く): 144911949

約数列:

[1, 3, 7, 21, 47, 67, 141, 201, 329, 469, 987, 1407, 3149, 3779, 9447, 11337, 22043, 26453, 66129, 79359, 177613, 253193, 532839, 759579, 1243291, 1772351, 3729873, 5317053, 11900071, 35700213, 83300497, 249901491]

約数ペア:

[(1, 249901491), (3, 83300497), (7, 35700213), (21, 11900071), (47, 5317053), (67, 3729873), (141, 1772351), (201, 1243291), (329, 759579), (469, 532839), (987, 253193), (1407, 177613), (3149, 79359), (3779, 66129), (9447, 26453), (11337, 22043)]