218107383

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 318528000

約数和(自身を除く): 100420617

約数列:

[1, 3, 13, 39, 157, 179, 199, 471, 537, 597, 2041, 2327, 2587, 6123, 6981, 7761, 28103, 31243, 35621, 84309, 93729, 106863, 365339, 406159, 463073, 1096017, 1218477, 1389219, 5592497, 16777491, 72702461, 218107383]

約数ペア:

[(1, 218107383), (3, 72702461), (13, 16777491), (39, 5592497), (157, 1389219), (179, 1218477), (199, 1096017), (471, 463073), (537, 406159), (597, 365339), (2041, 106863), (2327, 93729), (2587, 84309), (6123, 35621), (6981, 31243), (7761, 28103)]