31741647

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 52669440

約数和(自身を除く): 20927793

約数列:

[1, 3, 7, 19, 21, 53, 57, 79, 133, 159, 237, 361, 371, 399, 553, 1007, 1083, 1113, 1501, 1659, 2527, 3021, 4187, 4503, 7049, 7581, 10507, 12561, 19133, 21147, 28519, 29309, 31521, 57399, 79553, 85557, 87927, 133931, 199633, 238659, 401793, 556871, 598899, 1511507, 1670613, 4534521, 10580549, 31741647]

約数ペア:

[(1, 31741647), (3, 10580549), (7, 4534521), (19, 1670613), (21, 1511507), (53, 598899), (57, 556871), (79, 401793), (133, 238659), (159, 199633), (237, 133931), (361, 87927), (371, 85557), (399, 79553), (553, 57399), (1007, 31521), (1083, 29309), (1113, 28519), (1501, 21147), (1659, 19133), (2527, 12561), (3021, 10507), (4187, 7581), (4503, 7049)]