81214038

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{619}}^1$

素因数の和:861

約数の個数: 48

約数和(自身を含む): 181930320

約数和(自身を除く): 100716282

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 197, 222, 333, 394, 591, 619, 666, 1182, 1238, 1773, 1857, 3546, 3714, 5571, 7289, 11142, 14578, 21867, 22903, 43734, 45806, 65601, 68709, 121943, 131202, 137418, 206127, 243886, 365829, 412254, 731658, 1097487, 2194974, 4511891, 9023782, 13535673, 27071346, 40607019, 81214038]

約数ペア:

[(1, 81214038), (2, 40607019), (3, 27071346), (6, 13535673), (9, 9023782), (18, 4511891), (37, 2194974), (74, 1097487), (111, 731658), (197, 412254), (222, 365829), (333, 243886), (394, 206127), (591, 137418), (619, 131202), (666, 121943), (1182, 68709), (1238, 65601), (1773, 45806), (1857, 43734), (3546, 22903), (3714, 21867), (5571, 14578), (7289, 11142)]