266223231

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{1571}}^1$

素因数の和:2587

約数の個数: 24

約数和(自身を含む): 405450240

約数和(自身を除く): 139227009

約数列:

[1, 3, 9, 19, 57, 171, 991, 1571, 2973, 4713, 8919, 14139, 18829, 29849, 56487, 89547, 169461, 268641, 1556861, 4670583, 14011749, 29580359, 88741077, 266223231]

約数ペア:

[(1, 266223231), (3, 88741077), (9, 29580359), (19, 14011749), (57, 4670583), (171, 1556861), (991, 268641), (1571, 169461), (2973, 89547), (4713, 56487), (8919, 29849), (14139, 18829)]